Products

ALLIGATOR CLIPS Insulated 24 gauge wire, available in Red, Black or Yellow.

Alligator Clip Connecting Cord, 18 long wire

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. Also available are rod and alligator clip assembly for use with your own flask and replacement aluminum leaves.

Flask Form Electroscope

This sturdy electroscope features a metal case with front and rear glass windows for preventing air currents from affecting the deflection of the leaves. Leaves are gold and aluminum. Leaf support rod is held in place by an insulating plastic sleeve. A graduated scale is also provided for measuring the deflection from 0 to 90 degrees. Includes instructions. Dimensions: 6x4x8. Shipping weight: 1.25 Lbs.

Gold Leaf Electroscope

Demonstrate key electrostatics concepts with this kit. Contains everything necessary to construct two flask form elctroscopes. Detailed manual included experiments using two electroscopes for positive and negative charge studies, and a Faraday's Pail experiment. Kit includes 2 Glass Flasks, 2 aluminum disc terminals, 2 sets of 4 foil leaves, 2 electrode assemblies, one aluminum can (Faraday Pail), 1 glass rod, 1 silk cloth, 1 acrylic rod, and 1 wool cloth.

Electroscopes Kit

Constructed of clear acrylic with highly polished surfaces, these prisms are ideal for projecting a clear, sharp spectrum. Set of equilateral prisms includes 25mm, 50mm, and 100mm long prisms.

Prism set, equilateral, set/3

Equilateral prisms, made from high quality clear acrylic sheet, or glass sheet. Highly polished surfaces

100mm x 25mm

Good quality, flint ACRYLIC prism, measuring 75mm long by 9mm thick.

Equilateral Refraction Prism, Acrylic

Straight pipettes with glass tube and tapered rubber bulbs. About 70mm long wth 2ml capacity.

Eye Dropper, pack of 3

Supplies as a package of 10

Fahnestock Clips, pk/10

Round flint glass bottle 60 ml

Glass Bottle 60 ml

Single folding magnifier in plastic case. One lens, 25 mm diameter, 5x magnification.

Single Folding Magnifier, 5 X

Triple folding magnifier in plastic case. Three lenses, 15x total magnification.

Triple Folding Magnifier, 15x

Single folding magnifier in plastic case. One lens, 25 mm diameter, 10x magnification.

Folding Magnifier in Aluminum Case, 10 X

Includes 1 each of 1, 5, 10, 50, 100, and 500 mg weights, and 2 each of 2, 20, and 200 mg weights. Rectangular plastic box with rider and forceps.

Rider, 5mg, Pk/3

This plastic glider is assembled with a steel ball inside. Use it for a variety of motion and momentum experiments. Glider has a molded-in hook. Dimensions: 1-1/4 diameter by 1-1/2 high. Sold as a package of six. Includes activity guide.

Friction Glider Set, pk/6

Rods are 12 long.

Hollow Glass
Hard Rubber 6 long
Hard Rubber (Ebonite)
Solid Glass
Solid Plastic
Sealing Wax
Cotton
Silk
Wool

Hooded lighter is safe, and economical. The hood traps gas, and protects the lighting file. Replacement flints are also available.

Replacement flints for gas lighter

Hooded lighter is safe, and economical. The hood traps gas, and protects the lighting file. Replacement flints are also available.

Gas Lighter

A convenient classroom set of 5 borosilicate glass Erlenmeyer Flasks. Set consists of one each of 50ml, 125ml, 250ml, 500ml, and 1000ml Flasks. The shipping weight is 2.80 lbs.; dimensions are 10.5 x 9.25 x 9.75.

Glass Erlenmeyer Flasks, Set of 5

Used for hardness testing of rocks and minerals, these 1/4 thick glass plates come in a pack of 10.

2 x 1 x 1/4, pack of 10

Used for hardness testing of rocks and minerals, these 1/4 thick glass plates come in a pack of 10.

2 x 2 x 1/4, pack of 10

This pump features a painted steel barrel, steel valve assembly, and a wooden handle. Both in a out ports are equipped with hose connectors, for use with vacuum experiments as well as to generate pressure. Length: 14, barrel diameter 1; shipping weight 1 Lb.

Hand Air Pump

Glass lenses molded into high quality unibody plastic frames.

50 mm Diameter

Glass lenses mounted on metal frames with bakelite handles

50 mm Diameter

Easy to use, this microtome lets you cut sections to 10 microns. Equipped with a clamping mechanism for securing various shapes and sizes of objects. Supplied in a wood storage box, with 2 glass overlays for the stage, and a tempered steel razor knife.

Hand Microtome

Bright plastic case makes this hand tally counter lightweight yet sturdy. The counter advances by 1, up to 9999 each time the button is pressed. Turn the side knob to return the reading to zero. Use for counting bacterial colonies, vibrations of a pendulum, etc.

Hand Tally Counter

Accurate, non-rolling hexagonal masses are made of steel, and feature a durable black oxidized finish. Available in both customary and metric sizes.

5g

Quantitatively show the principles related to Hooke's Law with this complete apparatus. Includes a 14 metal rod that mounts on a 4-1/2 diameter base. Scale in centimeters and inches can be easily adjusted along the rod. The plated steel weight holder and spring are attached to an adjustable collar with crossbar.

Hooke's Law Apparatus

Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated.

5g

Set of 9 weights consisting of 1 each 10g, 50g, 100g, 500g, 1000g, and 2 each 20g, and 200gram weights. Wights are made of cast iron with a black enamel finish. Replacement weights are available separately.

Weight set, hooked, black enamel finish, (set of 9 weights)

These weights feature flat countersunk bottoms, with a double-ended hooked rod throught the middle. They can be used on balance pans, as well as hooked in tandem for lever arm studies. Set of 9 weights consisting of 1 each 10g, 50g, 500g, 1000g, and 2 each 20g, 200gram weights. Weights are made of polished brass and come in a storage block. Replacement weights are available separately.

Weight set, hooked double-ended, brass, set of 9 weights.

Made from heavy borosilicate glass, these cylinders have a beaded top with a pouring spout and a round base for stability.

1200ml / 450mm / 65mm

Sturdy plastic impact car features a graduated spring scale and a slide that is displaced on impact against an obstacle. Includes activity guide.

Impact car, plastic

This versatile and tough steel inclined plane includes a graduated protractor and an adjustable pulley. Incline is 4 wide x 23 long. Includes a 14oz. Roller that can be used as a vehicle on the plane or as a counterweight. Also includes a pan and cord for masses.

Inclined Plane with Pulley

A 3-inch length of 24 gauge nickel-chromium wire supplied with an 8 inch long solid steel handle.

Inoculating Loop

Single pole, single throw without terminals.

Knife Switch without terminals 2x 1x 1.25

A nice assortment of most commonly used lab tools, available as one convenient set. Contains one each of following: test tube brush, spatula, crucible tongs, test tube clamp, lab scoop, forceps.

Lab Tools Kit ( 6 pieces )

Replacement Bulbs for Lamp Board

Bulb, 1.5v, pk/10

Replacement Bulbs for Lamp Socket

Bulb, 1.5v, pk/10

This magnetic compass is extra large (90mm diameter), comes in a bright color plastic case, with a clear plastic top. Shipping weight: 2.0 oz. Dimensions: 4 x 4 x 1.

Compass, 90mm diameter

These pocket magnifiers feature 38mm diameter lenses, and offer a much larger (almost twice!) field of view compared with regular pocket magnifiers (MPSO10,etc). Sturdy plastic frames, glass lenses. These magnifiers are very versatile, and magnify objects up to 15x.

Single, 5x

Learn about static electricity and the function of a dielectric with this device. Two aluminum jars-one with an attached aluminum electrode-and one plastic jar are used to cellect the charge. Assembled device is 6 tall and 3-1/4 in diameter.

Leyden Jar

100 strips each in matching color plastic vials. Inspanidual strips are approximately 2 long and 1/4 wide. Also available as Litmus Granular in bottles.

Blue Litmus Paper, vial/100 strips

100 strips each in matching color plastic vials. Inspanidual strips are approximately 2 long and 1/4 wide. Also available as Litmus Granular in bottles.

Nuetral Litmus Paper, vial/100 strips

100 strips each in matching color plastic vials. Inspanidual strips are approximately 2 long and 1/4 wide. Also available as Litmus Granular in bottles.

Red Litmus Paper, vial/100 strips