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.
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.
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.
Electrodes are designed to help facilitate electricity experiments.
This is a DPST Knife Switch with Screw Type Binding Posts for a solid electrical connection, 4-1/2" x 3-1/2" x 1".
This is a clear student protractor for measuring anything without obstruction view. Durable and easy to clean these area scaled in both Metric and English Units.
This is 10 grams of Agar Powder. Agar is a growth medium used to culture microorganisms in laboratory situations.
This is a replacement Kjeldahl bulb for any distillation apparatus equipment.
These Boston Round Flint Bottles with Dropper Assemblies are made of non-porous glass and autoclavable.
These Nickel Plated Steel 10" long Beaker Tongs handle 50-2000ml capacity beakers and are available in coated or uncoated jaws. Have a firm but gentle grip and the plastic type coating helps prevent slipping. The plastic coated jaws will withstand temperatures up to 120 degrees centigrade.
These porcelain Spot Plates for observing reactions with color changes are useful for micro chemistry applications.
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.
Use our strong, razor-sharp scalpels for all your cutting needs! Made of stainless steel or chrome, these scalpels give students and teachers greater cutting ease, slicing through delicate and tough tissues alike. Handles provide a firm grip.
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.
These low form graduated Griffin beakers are made of the Bomex brand Glass.
These are acrylic body buret with teflon stopcock (PTFE) with .1 ml subdivisions.
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.
Set contains twelve 3 1/2 X 4 1/2 polystyrene spot plates and each spot plate contains twelve 5.7mm depressions.
This is a 20ml tall clear glass and stopper form weighing bottle.
These glass petri dishes are used in laboratories for essential experiments in the field of growing and studying sciences.
These are high-quality dissecting instrument tools for specialized jobs.
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.
The uncalibrated Specific Gravity Bottle, 25 ml, is made of borosilicate glass with ground stoppers for a precision fit.
These Flint Reagent Bottles have a wide mouth and come with Ground Glass stopper.
Specialized for different dissection needs and durable. Chrome and stainless steel forceps are long-lasting and easy to clean. Pins serve as a guide in dissection, while a bent tip allows students a good view of what they're doing. Special cartilage forceps permit heavy-duty handling and gripping.
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.
This conisists of five 2" x 2" Acrylic Color Filters ideal for optical transmission, measurements, solar monitoring, attenuation of laser beams and demonstrating laser light's monochromatic character.
These plastic petri dishes are used in laboratories for essential experiments in the field of growing and studying sciences.
These Boston round amber bottles with dropper assemblies are made of non-porous glass and autoclavable.
The Magnesium Ribbon is a roll of Magnesium Ribbon 99% Magnesium, 1% Zinc and Lead.
These are high quality Short Stemmed Funnels made of Borosilicate Glass.
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.
These Bomex Glass Brand Separatory Funnels have a conical shape, with ground glass Stoppers and Stopcorks.
These 7-315 series are crucibles with lids that are used with chemical compounds that may be heated in high temperatures.
Long Stem Utility Funnels smooth walled and molded from chemical resistant polypropylene with a 60 degree cone angle and external ribs to prevent air lock.
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.