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DFG300 Transmission Grating 300 Lines per mm
DFG300 Transmission Grating 300 Lines per mm
US$48.64
These quality student transmission gratings are protected by two glass plates, 60mm x 45 mm. Viewing area measures approximately 45mm x 30mm. These transmission gratings are for detailed quantitative spectral analysis.
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DFG525-PK/5 Transmission Grating in Slide Viewers 13,400 Lines per mm - Pkg of 5
DFG525-PK/5 Transmission Grating in Slide Viewers 13,400 Lines per mm - Pkg of 5
US$15.76
These quality student transmission gratings are protected by two glass plates, 60mm x 45 mm. Viewing area measures approximately 45mm x 30mm. These transmission gratings are for detailed quantitative spectral analysis.
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HRDKIT3 Chemistry Labware Kit
HRDKIT3 Chemistry Labware Kit
US$99.61
Contents: (2)Dropping Bottle, 30 ml, Barnes. (6)Dropping Pipettes, Plastic. (1)Beaker, Glass, 50 ml. (1)Beaker, Glass, 100 ml. (1)Beaker, Glass, 250 ml. (1)Evaporating Dish, Porcelain,70 mm dia. (6)Stirring Rods, Glass, 8”. (1)Erlenmeyer Flask, Glass, 125 ml. (1)Erlenmeyer Flask, Glass, 250 ml. (6)Test Tubes, Glass, 18 x 150 mm. (1)Cylinder, Plastic (PP), 10 ml. (1)Cylinder, Plastic (PP), 50 ml. (1)Cylinder, Plastic (PP), 100 ml. (1)Forceps, stainless, 5” long. (1)Crucible tongs, steel, 9” long. (1)Funnel, Glass, long stem, 90mm dia. (1)Funnel, Plastic, 75 mm dia. (1)Test Tube Clamp, brass, with finger grips. (1)Wire Gauze, 5” x 5”, with ceramic center. (1)Crucible, Porcelain, 25 ml with lid. (1)Watch Glass, 75 mm dia. (1)Plastic Scoop. (1)Spatula, stainless, 3” long blade with wooden handle. (3)Rubber Stoppers, solid. (3)Rubber Stoppers, one-hole. (3)Rubber Stoppers, two-hole.

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SLRCR1 Solar Powered Car
SLRCR1 Solar Powered Car
US$43.05
This economical demonstration solar car can be powered by a solar cell or a rechargeable battery (AA size, not included). Battery can be recharged from the solar cell, demonstrating an electricity storage system for solar power. The solar cell can be tilted to maximize solar input, features an on/off and select function switch, and includes two binding posts to measure output.
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LTDSE1 Stirling Engine
LTDSE1 Stirling Engine
US$167.36
This economical Stirling Engine runs by exploiting the heat flow generated by the small temperature difference between room temperature and a cup of hot water or ice. It is a classic illustration of converting heat energy into mechanical work using a thermodynamic cycle. The engine runs at about 150rpm when used with cup of hot water. Additional information available upon request. Includes activity guide.
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LCV302 Double Convex Glass Lenses, D 38mm, F. L. 50mm
LCV302 Double Convex Glass Lenses, D 38mm, F. L. 50mm
US$4.69
Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges.
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LCV502 Double Convex Glass Lenses, D 50mm, F.L. 50mm
LCV502 Double Convex Glass Lenses, D 50mm, F.L. 50mm
US$7.69
Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges.
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LCV504 Double Convex Glass Lenses, D 50mm, F.L. 100mm
LCV504 Double Convex Glass Lenses, D 50mm, F.L. 100mm
US$5.89
Made from plate glass, with carefully ground and polished optical surfaces, and cleanly ground edges.
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PHA045 Hollow Acrylic Prism
PHA045 Hollow Acrylic Prism
US$7.94
Equilateral, 45mm sides. Has one hole for adding fluids to study refraction and dispersion. Comes with funnel and stopper. 
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PMD002 Clear Plastic Magnifier, 3x, 6x
PMD002 Clear Plastic Magnifier, 3x, 6x
US$1.09
Clear plastic magnifier is 110 mm (4.50") in length and features dual lenses of 3x and 6x magnification. 3x lens is 50 mm in diameter and 6x lens is 20mm in diameter.
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MGFL6X Giant Folding Magnifier
MGFL6X Giant Folding Magnifier
US$22.89
This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage.  Its 10 cm lens provides 6x magnification.  Ideal for use on a lab table, and for dissecting small specimens like owl pellets. 
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TRPBR1 Brass Tripod Magnifier
TRPBR1 Brass Tripod Magnifier
US$18.62
Tripod magnifier, 10X magnification. Brass.
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MFL010 Loupe Magnifier 10X
MFL010 Loupe Magnifier 10X
US$9.24
The high quality 27-mm lens is mounted in a sturdy black plastic loupe. 
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OBMS02 Metal Supports, pk/2
OBMS02 Metal Supports, pk/2
US$6.08
OBMS02 Metal Supports, pk/2 Individual Accessories for Meter Stick Optical Bench Set Item# Description OBLS38 Lens...
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CM7912 Ceramic Magnet, Disc, 25mm Dia., 6mm Thick
CM7912 Ceramic Magnet, Disc, 25mm Dia., 6mm Thick
US$0.80
CM7912 Ceramic Magnet, Disc, 25mm Dia., 6mm Thick We offer a variety of economical ceramic bar, disc, and ring shaped magnets.  Magnets are unpainted,...
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CM7907-PK/2 Ceramic Magnet, Pack of 2, 38 x 8mm Rings, 1 Red, 1 Blue
CM7907-PK/2 Ceramic Magnet, Pack of 2, 38 x 8mm Rings, 1 Red, 1 Blue
US$4.26
CM7907-PK/2 Ceramic Magnet, Pack of 2, 38 x 8mm Rings, 1 Red, 1 Blue We offer a variety of economical ceramic bar, disc, and ring shaped magnets....
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CCK001 Create-A-Circuit Kit
CCK001 Create-A-Circuit Kit
US$28.11
Build your own series circuit using the handy Create-A-Circuit-Kit.  It comes complete with a "D" cell battery holder, a knife switch, two miniature light bulbs, two lamp holders, and four connector cords.  Includes activity guide.
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DCM015 Miniature DC Motor
DCM015 Miniature DC Motor
US$2.69
Operates on 1.5V or 3V DC. Speed: 7000-11000 RPM. Motor is 40 MM long x 20Mm in diameter. Shaft size: 2 MM diameter x 8 MM long.
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MVT001 DC Voltmeter 0-3V; 0-15V; 0-300V
MVT001 DC Voltmeter 0-3V; 0-15V; 0-300V
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MVT002 DC Voltmeter 0-3V; 0-10V; 0-15V
MVT002 DC Voltmeter 0-3V; 0-10V; 0-15V
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MVT006 DC Voltmeter 0-5V; 0-15V; (0.1V; 0.3V)
MVT006 DC Voltmeter 0-5V; 0-15V; (0.1V; 0.3V)
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MAM001 DC Ammeter 0-50mA; 0-500mA; 0-5A
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MAM004 DC Ammeter 0-3A (100mA)
MAM004 DC Ammeter 0-3A (100mA)
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MAM005 DC Ammeter 0-5A (100mA)
MAM005 DC Ammeter 0-5A (100mA)
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MAM006 DC Ammeter 0-10A (100mA)
MAM006 DC Ammeter 0-10A (100mA)
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MMA003 DC Milliammeter 0-500uA (10uA)
MMA003 DC Milliammeter 0-500uA (10uA)
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MMA004 DC Milliammeter 0-1mA (0.02 mA)
MMA004 DC Milliammeter 0-1mA (0.02 mA)
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MMA005 DC Milliammeter 0-100mA (1mA)
MMA005 DC Milliammeter 0-100mA (1mA)
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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MGV003 DC Galvanometer +/-50-0-50 (2uA)
MGV003 DC Galvanometer +/-50-0-50 (2uA)
US$19.01
Our meters are mounted in black plastic cases.  Meters have a scale length of 75mm, offer +/- 2.5% accuracy and come with 5-way binding post and external calibrating screw.  Meters are not protected against prolonged or significant overload.  Stackable for storage.
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ELGL01-FOIL Spare gold leaves, pk/6
ELGL01-FOIL Spare gold leaves, pk/6
US$10.19
ELGL01-FOIL Spare gold leaves, pk/6 This sturdy electroscope features a metal case with front and rear glass windows for preventing air currents...
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ELFL02-PK/3 Electroscope Assembly, without flask, pack of 3
ELFL02-PK/3 Electroscope Assembly, without flask, pack of 3
US$17.54
This electroscope is housed in a 250ml Pyrex flask with a metal rod attached to a rubber stopper.  A pair of aluminum leaves is suspended from an alligator clip.  The knob on top of the rubber stopper accepts a charge.  When the charge enters the flask, the aluminum leaves separate. 
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FSCP01-PK/10 Fahnestock Clips, pk/10
FSCP01-PK/10 Fahnestock Clips, pk/10
US$4.30
FSCP01-PK/10 Fahnestock Clips, pk/10 Supplied as a package of 10.
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ACLP01-PK/10 Alligator clips, plain, Pk/10
ACLP01-PK/10 Alligator clips, plain, Pk/10
US$6.32
2" long, plain, chrome plated, with excellent conductivity. 
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WAB024-PK/6 Banana Plug/Alligator Clip Cords 24", 3 red, 3 black
WAB024-PK/6 Banana Plug/Alligator Clip Cords 24", 3 red, 3 black
US$23.63
Flexible, 18 swg stranded wire cord with a stackable banana plug at one end and an alligator clip at the other end. Alligator clips has a protective vinyl sheath.
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WAB012-B Banana Plug/Alligator Clip Cord 12", black, each
US$3.64
Flexible, 18 swg stranded wire cord with a stackable banana plug at one end and an alligator clip at the other end. Alligator clips has a protective vinyl sheath.
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ACLPBR-PK/10 Insulated Alligator Clips, Pack of 10
ACLPBR-PK/10 Insulated Alligator Clips, Pack of 10
US$7.97
2" long, with insulated sleeve, chrome plated, with excellent conductivity.
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KSW001 Knife Switch, Screw Posts, Single Pole, single throw
KSW001 Knife Switch, Screw Posts, Single Pole, single throw
US$2.73
Knife switches for low voltage experiments (less than 36V) with plastic bases. 
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KSE001 Economy Switch 1.75" diameter
KSE001 Economy Switch 1.75" diameter
US$1.27
Knife switches for low voltage experiments (less than 36V) with plastic bases. 
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WCP22-BK Plastic Insulated Copper Wire Black, 100-Foot Roll
US$13.94
Plastic Insulated Copper Wire is 22 gauge, supplied in 100 foot rolls.
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WCP22-R Plastic Insulated Copper Wire Red, 100-Foot roll
WCP22-R Plastic Insulated Copper Wire Red, 100-Foot roll
US$13.94
Plastic Insulated Copper Wire is 22 gauge, supplied in 100 foot rolls.
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WCP22-W Plastic Insulated Copper Wire White, 100-Foot roll
US$13.94
Plastic Insulated Copper Wire is 22 gauge, supplied in 100 foot rolls.
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WEC026 Enameled Copper Magnet Wire 26 gauge, 4 ounce spool
US$11.58
WEC026 Enameled Copper Magnet Wire 26 gauge, 4 ounce spool Enameled Copper Magnet Wire is supplied in 4-ounce spools. Item #...
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WEC028 Enameled Copper Magnet Wire 28 gauge, 4 ounce spool
US$13.90
WEC028 Enameled Copper Magnet Wire 28 gauge, 4 ounce spool Enameled Copper Magnet Wire is supplied in 4-ounce spools. Item #...
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MAXW01 Maxwell's Wheel
MAXW01 Maxwell's Wheel
US$52.00
This classic device is used to demonstrate the conservation of mechanical energy and its conversion from one form to another.  After the wheel is rotated by hand to roll the supporting cords to the top and then released, its potential energy turns into kinetic energy of rotation as it falls. 
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CLMKE1 Knife Edge Lever Clamp
CLMKE1 Knife Edge Lever Clamp
US$3.62
This clamp can be attached to any standard meter stick.  It is used as a knife-edge fulcrum for supporting the meter stick in the inverted position
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NWDM01 Newtonian Demonstrator
NWDM01 Newtonian Demonstrator
US$30.31
Excellent for illustrating Newton's Third Law of Motion and the principle of Conservation of Momentum.  The five polished metal balls with thin bifilar suspensions on a unique support design provide for better results and stability. 
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WDS006 Wave Demonstrator Set, Spiral Spring, 3/4" x 72"
WDS006 Wave Demonstrator Set, Spiral Spring, 3/4" x 72"
US$22.05
Set includes two helical springs. The long, narrow spring measures 3/4" x 72", and can be extended to 5 meters. The larger spring measures 3" x 4", and can be extended many times its length without distortion. Includes activity guide.
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HYMH02 Heavy Liquid Hydrometer 1.000-2.000
HYMH02 Heavy Liquid Hydrometer 1.000-2.000
US$9.58
Hydrometers for determining the specific gravity of liquids.  Two specific gravity ranges available.  Each unit is housed in a re-usable storage tube.  We also carry hydrometer cylinders.
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WHB005 Hooked Mass 5g
WHB005 Hooked Mass 5g
US$1.46
Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. 1 weight, 5g.
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WHB010 Hooked Mass 10g
WHB010 Hooked Mass 10g
US$1.75
Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. 1 weight, 10g.
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WHB020 Hooked Mass 10g
WHB020 Hooked Mass 20g
US$2.91
Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. 1 weight, 10g.
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WHB050 Hooked Mass 50g
WHB050 Hooked Mass 50g
US$4.66
Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. 1 weight, 50g.
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WHB200 Hooked Mass 200g
WHB200 Hooked Mass 200g
US$13.58
Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. 1 weight, 200g.
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WHB1000 Hooked Mass 1000g
WHB1000 Hooked Mass 1000g
US$55.36
Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. 1 weight, 1000g.
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PS0500 Push Pull Scale 500g / 5N, 10g / 0.1N, Green
PS0500 Push Pull Scale 500g / 5N, 10g / 0.1N, Green
US$14.60
For measuring weights, masses, and forces.
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PS1000 Push Pull Scale 1000g / 10N, 20g / 0.2N, Brown
PS1000 Push Pull Scale 1000g / 10N, 20g / 0.2N, Brown
US$14.60
For measuring weights, masses, and forces.
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SB1000-P Spring Scale, 1000g / 10N, 20g / 0.2N Brown
US$5.45
These Spring Scales come in a clear plastic case, and include a metal pointer, spring, suspension ring, and load hook. Scales are calibrated in Grams, Newtons, or both, with zero adjustment.
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SB0500-P Clear Plastic Spring Scale, 500g / 5N, 10g / 0.1N, Green
SB0500-P Clear Plastic Spring Scale, 500g / 5N, 10g / 0.1N, Green
US$5.45
These spring scales feature a clear plastic tube design, and are color-coded. A zero adjustment screw is provided at the top. Overall length is approximately 7". 500g / 5N. Graduation: 10g / 0.1N.
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THPC01 Student Thermometer (-20 to 110°C)
THPC01 Student Thermometer (-20 to 110°C)
US$3.46
These student grade partial immersion thermometers are etched in 1° increments. Each thermometer comes complete with an anti-roll triangle and is housed in a convenient re-usable plastic storage.
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THNT25 Student Thermometer No-roll triangles, pack of 25
THNT25 Student Thermometer No-roll triangles, pack of 25
US$5.89
These student grade partial immersion thermometers are etched in 1° increments. Each thermometer comes complete with an anti-roll triangle and is housed in a convenient re-usable plastic storage.
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VCB001 Vernier Caliper, Brass
VCB001 Vernier Caliper, Stainless Steel
US$19.99
Economical Brass Vernier Caliper with 140mm Capacity. Features inside and outside jaws, full length depth gauge, friction ruler and sliding lock for gauging. Graduated in millimeters and 1/16th of an inch.
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STOPWD Digital Stopwatch
STOPWD Digital Stopwatch
US$6.66
Featured displays of this electronic alarm stopwatch include time (hours- minutesseconds, with 12 or 24 hour mode option), calendar, 24-hour stopwatch, alarm, hourly chime, 1/100 second chronograph, split time, and total time. It is lightweight, easy to operate, and comes complete with battery and carrying cord.
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BEA001 Brownlee Electrolysis Apparatus
BEA001 Brownlee Electrolysis Apparatus
US$55.36
Platinum electrodes are attached to insulated connecting rods which are attached to binding posts mounted on a nonconducting support. The support rests across the top of a battery jar (not included) and has two clips that each hold an inverted test tube. The unit operates on a user-supplied 6V battery or 10V DC power supply.
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HEA001-P Replacement Platinum Electrodes, Pair
US$45.48
HEA001-P Replacement Platinum Electrodes, Pair The Replacement Platinum Electrodes are for the Hoffman Electrolysis Apparatus (HEA001)...
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BP0500 Polypropylene Beakers, Griffin Style, 500mL (pk/4)
BP0500 Polypropylene Beakers, Griffin Style, 500mL (pk/4)
US$19.29

Capacity: 500mL. Graduation Interval: 10mL. O.D. Height: 100 x 120mm. Quantity per pack: 4.

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11113 Polypropylene Beakers, New Style 250mL (pk/6)
11113 Polypropylene Beakers, New Style 250mL (pk/6)
US$19.45

Capacity: 250mL. Graduation Interval: 10mL. O.D. x Height: 72 x 100mm. Quantity per pack: 6.

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11114 Polypropylene Beakers, New Style 500mL (pk/4)
11114 Polypropylene Beakers, New Style 500mL (pk/4)
US$22.67

Capacity: 500mL. Graduation Interval: 10mL. O.D. x Height: 89 x 120mm. Quantity per pack: 4.

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11115 Polypropylene Beakers, New Style, 1000mL (pk/3)
11115 Polypropylene Beakers, New Style, 1000mL (pk/3)
US$19.92

Capacity: 1000mL. Graduation Interval: 25mL. O.D. x Height: 110 x 150mm. Quantity per pack: 3.

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130.450.06 Volumetric Flask, w/ Snap Cap, Batch Certified, 200ml; +/- 0.10 ml Tolerance (pk/4)
US$98.27
Volumetric flask, with snap cap, calibrated to contain, Class A, ASTM E-288, batch certified.
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BTDR-2-SET Bottle Top Dispenser Set, Vol. Range: 0.5-5mL, Bottle size: 100mL
BTDR-2-SET Bottle Top Dispenser Set, Vol. Range: 0.5-5mL, Bottle size: 100mL
US$434.62
These new Bottle Top Dispensers are priced significantly better than virtually anything of its type. The dispensers feature a 30mm thread and come complete with five additional adapters (sizes 28mm, 32mm, 36mm, 40mm and 45mm) allowing customers to use them right out of the box. They are fully autoclavable and work with most laboratory bottles.
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BTDR-3-SET Bottle Top Dispenser Set, Vol. Range: 1-10mL, Bottle size: 250mL
BTDR-3-SET Bottle Top Dispenser Set, Vol. Range: 1-10mL, Bottle size: 250mL
US$439.45
These new Bottle Top Dispensers are priced significantly better than virtually anything of its type. The dispensers feature a 30mm thread and come complete with five additional adapters (sizes 28mm, 32mm, 36mm, 40mm and 45mm) allowing customers to use them right out of the box. They are fully autoclavable and work with most laboratory bottles. The accuracy of these dispensers is exceptional and offers the best value in the industry.
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HKCL02 Hook Collar Clamp For 3/4" Dia. Rods
HKCL02 Hook Collar Clamp For 3/4" Dia. Rods
US$6.99
For suspending pulleys, balances, etc. from support rods, or cross members.
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CLEX01 Extension clamp with steel rod
CLEX01 Extension clamp with steel rod
US$13.54
Extension clamp with cork covered jaws, 8" total length.
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CLPEN1 Pendulum Clamp
CLPEN1 Pendulum Clamp
US$15.15
Connect this clamp to any support tod to set up three seperate pendulum demonstrations.  Includes individual cord clamps.
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CLBURDD Deluxe Double Burette Clamp
CLBURDD Deluxe Double Burette Clamp
US$30.98
Deluxe Burette clamps are die casted from aluminum and feature black rubber sleeves for firm gripping of burettes.  The adjustable clamps hold up to 30mm OD burettes, which are held in place by the pressure created by the springs.  For use with rods up to 19mm diameter.
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WGCC44 Wire Gauze w/ Ceramic Center, 4" x 4" (pk/10)
WGCC44 Wire Gauze w/ Ceramic Center, 4" x 4" (pk/10)
US$15.51
Iron wire gauze (24 SWG/10 Mesh) with ceramic coating at the center. Contains no asbestos.
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PPM100 Porcelain Mortar and Pestle, I.D. 100mm, Capacity 300ml
PPM100 Porcelain Mortar and Pestle, I.D. 100mm, Capacity 300ml
US$11.51
Mortars have pouring spout, are glazed outside only, with porcelain pestles glazed to grinding surface.
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SSB4X6 Support Stand w/ Rod, Base Size 4" x 6", Rod Length/Diameter 18"/ 5/16"
SSB4X6 Support Stand w/ Rod, Base Size 4" x 6", Rod Length/Diameter 18"/ 5/16"
US$17.68
Stamped steel bases, with black enamel finish.  Removable, zinc plated steel rods. 
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SSB5X8-CI Support Stand, Cast Iron, Base Size 5" x 8", Rod Length/Diameter 20"/ 3/8"
SSB5X8-CI Support Stand, Cast Iron, Base Size 5" x 8", Rod Length/Diameter 20"/ 3/8"
US$26.50
Heavy cast iron bases, with black enamel finish. Each base includes a removable zinc plated steel rod.
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SSB6X1-CI Support Stand, Cast Iron, Base Size 6" x 11", Rod Length/Diameter 36"/ 1/2"
SSB6X1-CI Support Stand, Cast Iron, Base Size 6" x 11", Rod Length/Diameter 36"/ 1/2"
US$45.28
Heavy cast iron bases, with black enamel finish. Each base includes a removable zinc plated steel rod.
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TSR318 Triangular Support w/ Rod, Base Size 3", Rod Length/Diameter 18"/ 5/16"
TSR318 Triangular Support w/ Rod, Base Size 3", Rod Length/Diameter 18"/ 5/16"
US$17.36
Heavy cast-iron triangular bases, with black enamel finish, with zinc plated steel rods.
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SRSE02 Extension Support Ring, 2" Ring Diameter
SRSE02 Extension Support Ring, 2" Ring Diameter
US$4.41
Zinc plated STEEL extension rings. Rod diameter is 5/16", overall length is 12".
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SRSE03 Extension Support Ring, 3" Ring Diameter
SRSE03 Extension Support Ring, 3" Ring Diameter
US$5.53
Zinc plated STEEL extension rings.  Rod diameter is 5/16", overall length is 12".
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SRSE04 Extension Support Ring, 4" Ring Diameter
SRSE04 Extension Support Ring, 4" Ring Diameter
US$6.30
Zinc plated STEEL extension rings. Rod diameter is 5/16", overall length is 12".
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TRS3X6 Tripod Stand, Ring O.D. 3.5", Height 6"
TRS3X6 Tripod Stand, Ring O.D. 3.5", Height 6"
US$13.03
Cast Iron ring with black enamel finish. Detachable zinc plated legs. Legs are interchangeable.
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TTHP01 In-Line Test Tube Rack-Polyethylene, Pre-assembled
TTHP01 In-Line Test Tube Rack-Polyethylene, Pre-assembled
US$5.10
Two 30mm, and four 20mm holes. Pre-assembled. These polyethylene racks will hold six test tubes, and also have six drying pins. Sides are fully open for clear viewing.
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TTHP02 In-Line Test Tube Rack-Polyethylene, Needs assembly
TTHP02 In-Line Test Tube Rack-Polyethylene, Needs assembly
US$6.26
Six 25mm holes. Needs assembly. These polyethylene racks will hold six test tubes, and also have six drying pins. Sides are fully open for clear viewing.
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FOBPP5 Plastic Forcep 4.5"
FOBPP5 Plastic Forcep 4.5"
US$1.09
These 4.5” long plastic forceps feature serrated inside tips and ribbed finger supports.
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MSB25 Magnetic Stir Bar, Octagon, with pivot ring, 25mm x 8mm
MSB25 Magnetic Stir Bar, Octagon, with pivot ring, 25mm x 8mm
US$8.88

Our new Magnetic Stir Bars are constructed of high quality magnets coated with PTFE. Length: 25mm. Diameter: 8mm.

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SPP012 Porcelain Spot Plate, 12 Cavities
SPP012 Porcelain Spot Plate, 12 Cavities
US$6.05
Each cavity 2cm in diameter and 5mm deep.
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GLP2X2-S Glass Streak Plates, 2" x 2" x 1/4", (pk/10)
GLP2X2-S Glass Streak Plates, 2" x 2" x 1/4", (pk/10)
US$22.82
Used for hardness testing of rocks and minerals, these 1/4" thick glass plates comes in packs of 10.
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SDR001 Screwdriver, 120mm long x 2mm head
SDR001 Screwdriver, 120mm long x 2mm head
US$2.61
Slotted Screwdrivers with durable plastic handle. 
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ELBM01 Electric Doorbell
US$31.80
This well constructed and attractive electric bell model is mounted on a clear acrylic plate and a finished wooden stand to allow the functional parts to be clearly seen, and operates on 6V DC with an on/off switch, adjustable contact screw, and binding posts for easy connection.
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PSC001 Primary and Secondary Coils
US$89.18

The PSC001 is a superior version of the classic device for investigating electromagnetic induction, using primary and seocondary coils.

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SB0500-P Clear Plastic Spring Scale, 500g / 5N, 10g / 0.1N, Green
SB0250-P Clear Plastic Spring Scale, 250g / 2.5N, 5g / 0.05N, Blue
US$5.45
These spring scales feature a clear plastic tube design, and are color-coded. A zero adjustment screw is provided at the top. Overall length is approximately 7". 250g / 2.5N. Graduation: 5g / 0.05N.
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SB2000-P Spring Scale, 2000g / 20N, 40g / 0.4N Red
US$5.45
These Spring Scales come in a clear plastic case, and include a metal pointer, spring, suspension ring, and load hook. Scales are calibrated in Grams, Newtons, or both, with zero adjustment.
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SB0500-P Clear Plastic Spring Scale, 500g / 5N, 10g / 0.1N, Green
SB5000-P Clear Plastic Spring Scale, 5000g / 50N, 100g / 1N, Yellow
US$5.45
These spring scales feature a clear plastic tube design, and are color-coded. A zero adjustment screw is provided at the top. Overall length is approximately 7". 250g / 2.5N. Graduation: 5g / 0.05N.
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SB3000-P Spring Scale, 3000g / 20N, 50g / 0.5N Cream
US$5.45
These Spring Scales come in a clear plastic case, and include a metal pointer, spring, suspension ring, and load hook. Scales are calibrated in Grams, Newtons, or both, with zero adjustment.
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WHNG50B WEIGHT HANGER, 50g, BRASS
US$9.80
WHNG50B WEIGHT HANGER, 50g, BRASS Brass hanger weighs 50g. Stem length is 17cm. 
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LPR100 Litmus Paper Red, 100 Strips
US$3.63
LPR100 Litmus Paper Red, 100 Strips
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LPB100 Litmus Paper Blue, 100 Strips
US$3.63
LPB100 Litmus Paper Blue, 100 Strips
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LPN100 Litmus Paper Neutral, 100 Strips
US$3.63
LPN100 Litmus Paper Neutral, 100 Strips
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WAB012-B Banana Plug/Alligator Clip Cord 12", black, each
WAB012-R Banana Plug/Alligator Clip Cord 12", red, each
US$3.64
Flexible, 18 swg stranded wire cord with a stackable banana plug at one end and an alligator clip at the other end. Alligator clips has a protective vinyl sheath.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-A Test Tube With Rim (10mm x 75mm) - Pkg of 72
US$69.95 US$31.80
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-C Test Tube With Rim (12mm x 100mm) - Pkg of 72
US$38.17
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-D Test Tube With Rim (15mm x 125mm) - Pkg of 72
US$50.00
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-E Test Tube With Rim (15mm x 150mm) - Pkg of 72
US$62.74
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-L Test Tube With Rim (16mm x 100mm) - Pkg of 72
US$60.01
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-M Test Tube With Rim (16mm x 125mm) - Pkg of 72
US$66.38
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-F Test Tube With Rim (18mm x 150mm) - Pkg of 72
US$69.11
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-N Test Tube With Rim (20mm x 150mm) - Pkg of 72
US$90.04
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-G Test Tube With Rim (25mm x 100mm) - Pkg of 72
US$93.68
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-H Test Tube With Rim (25mm x 150mm) - Pkg of 72
US$106.42
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-I Test Tube With Rim (25mm x 200mm) - Pkg of 48
US$90.95
These test tubes with rim are made of high quality borosilicate glass.
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TT9800-J Test Tube With Rim (32mm x 200mm) - Pkg of 50
TT9800-K Test Tube With Rim (38mm x 200mm) - Pkg of 50
US$199.29
These test tubes with rim are made of high quality borosilicate glass.
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WAB024-PK/6 Banana Plug/Alligator Clip Cords 24", 3 red, 3 black
WAB012-PK/6 Banana Plug/Alligator Clip Cords 12", 3 red, 3 black
US$23.63
Flexible, 18 swg stranded wire cord with a stackable banana plug at one end and an alligator clip at the other end. Alligator clips has a protective vinyl sheath.
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