Ginsberg Scientific Inc.

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US$9.17

These are blue solid rubber stoppers are made of excellent grade rubber and sold in one pound bags.

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US$9.17

These are blue solid rubber stoppers are made of excellent grade rubber and sold in one pound bags.

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US$9.24
This is a polished aluminum clamp which will rotate and lock into any position. The clamp will hold a standard-size thermometer securely to a support rod. The clamp will accept rods up to 1/2" in diameter, and will rotate 360 degrees and lock into place.
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US$9.24
These burner Tripods have a cast iron support ring with black enamel, acid resistant finish, detachable nickel-plated steel legs angled outward for better stability.
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US$9.24
These Polypropylene Measuring Jugs have molded raised graduations, reinforced handle, translucent, good chemical resistance and completely autoclavable.
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US$9.24
Size: 7 x 89 mm, 2 oz. Description: 22/400. The bulbs are made from a synthetic material and do not contain latex.
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US$9.24

These low form graduated Griffin beakers are made of the Bomex brand Glass.

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US$9.39
These Bomex volumetric flasks are fitted with a ground stopper and are accurately calibrated for reliable measuring of liquids and solutions. The neck has a single ring graduation mark. Noted on the flask is the flask's capacity. The glass is clear.
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US$10.78

These aprons are built for durability and protection from everything from natural materials to chemicals. The rubber cloth apron is impermeable and easy to clean.

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US$10.78

These burner Tripods have a cast iron support ring with black enamel, acid resistant finish, detachable nickel-plated steel legs angled outward for better stability.

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US$11.17
These are Glass Prism for teaching about light refraction and dispersion.    Order#  Description  Size...
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US$11.97

These are pre-cleaned glass Microscope Slides with smooth ground edges are inexpensive and excellent quality. Size of slides: 25.4 x 76.2mm; 1.0-1.2mm thick.

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US$12.32

This is 10 grams of Agar Powder. Agar is a growth medium used to culture microorganisms in laboratory situations.

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US$12.32

These aprons are built for durability and protection from everything from natural materials to chemicals. The rubber cloth apron is impermeable and easy to clean.

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US$12.71
The Precision Weight Masses Set is for most balances, supplied in a plastic storage container with stainless steel forceps. Includes: 1-50 gram, 1-20 gram, 2-10 gram, 1-5 gram, 2-2grams, 1-1 gram. Total of 8 pieces.
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US$12.71
120mm OD x 30mm Tube Dia x 170mm Total Ht x 60mm Bowl Ht.
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US$15.02

This DC Motor Kit contains all the parts you need to build a DC Motor from scratch. Wind your own armature and field coil and build the commutator with two snap pieces. Includes detailed instructions manual. Excellent for classroom project.

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US$15.18
The Fulcrum Holder is a metal support and cast iron base only. Dimensions: 3-3/4"" x 3-3/4" x 6-1/2".
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US$15.25

Electrodes are designed to help facilitate electricity experiments.

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US$15.40
This demonstration unit graphically illustrates the inertia of an object. Rest the plastic ball on top of the plexiglass square that is set on the vertical post. Release the spring and the square shoots out. The ball falls into the concave recession in the post, remaining at rest on top of the post as if nothing happened.
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US$15.40
The DC Voltmeter Blue 0-3V, 0-10V, 0-15 mounted in an enclosed plastic case with binding posts is excellent for student use (+/-2.5% Accuracy).
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US$15.48

These Bomex volumetric flasks are fitted with a ground stopper and are accurately calibrated for reliable measuring of liquids and solutions. The neck has a single ring graduation mark. Noted on the flask is the flask's capacity. The glass is clear.

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US$15.79
This is for determining the electrical equivalent of heat. The cover contains a mounted heating coil of about 1.5 ohms resistance with standard binding posts for electrical connections. When connected to a 6-volt battery, this coil will cause a temperature rise of about 5 degrees centigrade in 10 minutes.
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US$15.79

Includes: Scalpel handle with blade #22. Probe and Seeker. Two Teasing Needles bent and straight with wood handle. Medicine Dropper. Dissecting Scissors. Cartilage Forceps. 6" Plastic ruler. Items are chrome plated and packaged in a leatherette case. 

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US$15.79
Does not include stopper. Stopper #8.
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US$16.73
This is a sturdy support for meter stick demonstration balances and torque experiments. The cast metal support is 18.5 cm high. Requires knife edge clamps, slotted weights and hangers, and a meter stick. Dimensions: 7" x 3" x 3".
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US$16.87
The Graduated 5 ml Fermentation Tube is used for the fermentation of carbohydrates and for collecting and measuring the gases that are produced.
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US$18.48

Set contains twelve 3 1/2 X 4 1/2 polystyrene spot plates and each spot plate contains twelve 5.7mm depressions.

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US$18.72
This DC Hand Generator is a versatile generator and a perfect power supply for many experiments. This pistol grip style handle generator can be utilized with almost any experiment requiring up to 12-volt DC current. Housed in tough clear plastic.
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US$19.25

This kit is designed to teach permanent and electromagnetic demonstrations. This model of both an AC and DC motor is easy to assemble and disassemble.

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US$20.41
These are bomex filtering flasks with a narrow mouth and tooled top finish. Does not include stopper. The small side-arm is used to connect the flask to a vacuum source via rubber tubing
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US$20.79

These Boston Round Flint Bottles with Dropper Assemblies are made of non-porous glass and autoclavable.

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US$21.01

This Liebig Condenser is made from heat resistant borosilicate glass for efficiency and high speed condensing. The Liebig condenser has a long tube. The inner tube is sealed to the large water cooling jacket. An inlet and outlet tube are sealed to opposite sides of the jacket (200mm).

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US$22.33
The Slotted Weight Set is supplied with a 50-gram weight hanger and a reusable plastic storage case:1-50 gram weight hanger, 9-20 grams, 1-10 gram, 2-5 grams.
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US$22.33

The economical Aneroid Sphygmomanometer is sturdy and dependable. It measures blood pressure with Velcro arm cuff and easy to read dial. It comes with its own vinyl storage case.

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US$22.79
These Barnes dropping bottles are square bottles made of heavy clear glass with a pipette and rubber bulb stopper.
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US$23.49

The flame can easily be controlled higher or lower by rotating the ratcheted wick control wheel. The air cap is securely attached to the burner by a matching polished chain. Dimensions: 3.5" tall. 2.75" in diameter. 150ml capacity.

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US$24.26
Holds two burettes from micro to 100ml. Compress the clamp, insert the burette and release. Constructed of light weight aluminum with baked on chemical resistant white enamel finish. Can attach to a standard support rod up to 5/8".
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US$24.26
These Disposable Plastic Pipettes are an inexpensive and sanitary way to measure liquids.
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US$24.79
These are Disposable Plastic Pipettes are an inexpensive and sanitary way to measure liquids.
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US$26.95
This allows you to experiment with Transformer Principles and Induction. The outer coil is 4-1/2" tall and 2-3/4" in diameter. The inner coil is 3-3/4" tall and 1-1/4" in diameter. The removable steel core with handle is 1/2" in diameter and 5-1/2" tall. All coils are wrapped with 20-gauge magnet wire with insulated binding posts as connectors. 
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US$27.72

These Boston Round Flint Bottles with Dropper Assemblies are made of non-porous glass and autoclavable.

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US$31.57

These are acrylic body buret with teflon stopcock (PTFE) with .1 ml subdivisions.

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US$33.66
These Bomex Glass Brand Separatory Funnels have a conical shape, with ground glass Stoppers and Stopcorks.
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US$33.88
These cast iron support ringstands are coated with an acid resistant finish with nickel plated steel rods threaded to fit the base.
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US$34.50
These detailed kits allow you to build simple inorganic compounds such as H20, NaCI, H2SO4, O2, and C12; simple organic molecules such as ethylene, acetylene, and propane; or complex compounds such as sugar and cyclohexane. Made from a super strong, unbreakable pre-colored plastic. The connecting bonding plugs fit securely yet are flexible enough for double bonding applications. The balls are precision drilled for correct bond angles.
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US$34.65

These Boston round amber bottles with dropper assemblies are made of non-porous glass and autoclavable.

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US$38.50
Includes: Three friction rods: one hard rubber, one hollow glass and one half ground glass. Four pads: one fur, one flannel, one silk, and one wool. 3 balloons and 10 feet of string. Instructions provided. (8-1/4" 1").
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US$38.50
These are nickel plated brass hooked weights. The hooks allow you to hook the weights in tandem.
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US$41.43
This is a hand vacuum pump supplied with a pressure gauge that reads in both centimeters and inches of mercury. Pumping rate is 15ml per stroke, and will displace up to 725 ml of air. Fitted with a valve to release the vacuum without disconnecting the pump.
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US$43.12

These Bomex Glass Brand Separatory Funnels have a conical shape, with ground glass Stoppers and Stopcorks.

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US$43.89
These cylinders are autoclavable and molded from tough translucent polypropylene with a a broad base for stability and raised graduations for easy reading.
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US$46.20
Constructed of heavy gauge aluminum to prevent corrosion and collapsing under a vacuum. Consists of a boiler, sample cup, tripod and two rubber stoppers with and without hole. The boiler is 100mm diameter x 170mm height, the stand measures 240mm in height. Requires a bunson burner or hot plate. (5" x 11-1/2" x 6").
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US$46.66
This is a great desktop item and attention-getter. Four powerful solar cells are mounted on a revolving disk and motor. This in turn is mounted to a plastic stand and base. Watch as the entire disk, solar cells included, begin to whirl around when the unit is placed in the sun. Instructions provided.
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US$46.66
This is a 7 piece Glass Lens and Prism Set, with one surface frosted to help reveal the path of light.
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US$49.28
The 1/2" thick vacuum plate was designed to fit any jar 8-1/2" O.D. or smaller. A rubber gasket is also included. 9" outside diameter.
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US$53.90
Contains all the necessary components to demonstrate the relationship between length of the lever arm, moment of force, and amount of force. When they adjust weights on the lever to establish equilibrium students will observe the law of torque and its properties. Consists of a 50cm meter stick, stand, three knife-edge clamps, one 50 gram hooked weight and one 100 gram hooked weight.
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US$53.90
These Laboratory Scissor Jacks are great for supporting glassware and other lab items at a stable and precise height. The jack will extend to a maximum height of 10 inches. These Scissor Jacks come in Black enamel finish or Stainless Steel.
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US$56.21
These Barnes dropping bottles are square bottles made of heavy clear glass with a pipette and rubber bulb stopper.
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US$59.00
Unit has a high-power silicon cell which converts light directly into electricity to operate a motor. Exceptionally high output 1/2v with 300 milliamps of current output in bright sunlight. Solar cell approximately 2" x 3" with plastic diffusing lens and protective mounting. Motor with special anti-friction bearings revolves approximately 400 RPM in bright sunlight.
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US$66.22
Used for many demonstrations involving electric magnets or solenoids. A plastic spool is wrapped with three layers of 20-gauge magnet wire. A 1.8 cm diameter removable steel core is located inside the solenoid. Insulated binding posts are located at each end for application of an electric current.
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US$73.99
Four stroke operation is demonstrated by the gear driven timing mechanisms, valves, ignition, systems and more. DC power input is available to power a lamp which represents the spark or glow plug ignition. Made from high density plastic that will withstand continual use.
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US$107.73

With the Alternating/Direct Current Generator you simply turn the handle and a current is produced that illuminates a lamp mounted on the generator base. Specially designed commutator switches between AC and DC current generation. Open construction allows visibility of all the parts. Magnet polarity marked "N" and "S" for easy reference. Can be removed and remounted with the opposite polarity. Binding posts allow external meters to be hooked up to generator. 

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US$107.80
This is a 4 piece high quality Precision Measurement Set in a high impact reusable plastic storage container. Includes: 1-Micrometer 0-25 x .01mm. 1-Vernier Caliper 150 x .05mm. Knife edge square 90 degrees. Ruler Steel 150mm.
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US$112.35
This kit can be used to demonstrate most of the principles of electricity. Supplied with an easily understood instruction manual. The kit contains the following: Voltmeter 0-1.5; 0-3v, Milliammeter 0-500 mA; 0-1000mA, Electroscope, Battery Kit, Mini Rheostat, Two Bar Magnets 2" in length, Compass Needle, Two Resistors, Mini Electromagnet, Horseshoe Magnet, Two Mini Contact Switches, Two Bulb Holders, Package of Iron Filings, Battery Holder D-Cell, Coil of Wire, Steel Rod Electromagnet, Acrylic Piece 19mm x 120mm, Two Plastic Rods 5mm x 120mm.
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US$122.43
The open front spring clips make it much easier to remove the test tubes while the tubes remain submerged. The test tubes have been graduated for a clear measurement of the volume of gas generated. The black acrylic background aids in viewing the water level while supporting the test tubes. The binding posts have been reposititioned for easy access and greater safety. The unit measures 140mm x 203mm x 38mm. Instructions included.
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US$128.98

With this distillation apparatus you can separate any mixture of two liquids by raising the temperature of the mixture to a point where one of the liquids will boil but the other remains liquid. Consists of: 300mm Leibig Condenser. Kjeldahl Ball 50mm in dia. 500ml Boiling Flask. Cast Iron Base with Support Rod. Clamp. Cast Iron Tripod. Wire Gauze. 500ml Erlenmeyer Flask.

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US$131.29

This 36 piece Glassware Kit contains all the essential borosilicate laboratory glassware. Included are the following: Griffin beakers, one 50ml, two 250ml and one 600ml -- Erlenmeyer flasks; one 50ml, two 250ml and one 500ml --six medicine droppers -- six stir rods 6" -- one graduated cylinder 10ml -- one graduated cylinder 100ml -- one serological pipet -- twelve test tubes 16x150mm -- one short stem funnel 75mm x 75mm.

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US$392.00
This is perfect for classroom demonstrations of the effect a load has on a power source. The field of this magneto consists of a single Alnico magnet, which has a strong magnetic flux density. Capable of producing higher voltages then cobalt-steel magnets. The generator is mounted on 7 5/8" x 12" wood base with incandescent lamp and socket used as a load. Two binding posts are placed on the board for attaching other loads. Complete with instructions. (16" x 8" x 6"; 6Ibs).
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