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PHYSICS |
| 1-800-364-4848 |  |
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PHYSICS |
| 1-800-364-4848 | |
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| Impact resistant, chip-proof, balanced
wheel, injection molded V-grove, 2" diameter. The housing is a steel block with swivel hooks attached at top and bottom, complete 360°. |
| Item No. | Description | Price |
| 70228A | Single | $2.99 |
| 70228B | Double | $3.99 |
| 70228C | Triple | $4.99 |
| 70228D | Quadruple | $5.99 |
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Gyroscope As a scientific instrument it is used to demonstrate the principle of rotation, attraction and equilibrium of bodies in motion, the center of gravity and centrifugal force. Item# MSD-70031 $6.99 |
| Stirling Engine |
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Stirling Engine is an external combustion engine. This
is a hot air engine which takes advantage of the expanding and contracting nature of air.
Operates on any outside heat source. Fuels that can be used are wood, gas, coal,
electricity, or solar. Complete instructions included. Item# GN-1899 Price $34.50 |
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Simplified Sterling Engine The heat from a small candle sends this sterling engine model into oscillation almost immediately. Easy to construct, this unit very visibly demonstrates the sterling engine principle. A test tube acts as the cylinder and four marbles work as a transfer piston. Item# GN-1896 Price $18.99 |
| Item No. | Description | Price |
| 9400 | Full Meter. Metric & English scales, hardwood, natural finish. | $3.99 |
| 9402 | Same as #9400 with Metal Ends | $5.50 |
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| Item No. | Description | Price |
| 70020-A | Mini Knife Switch; 1 pole, 1 throw | $2.85 |
| 70020-B | Mini Knife Switch; 1 pole, 2 throw | $3.30 |
| 70020-C | Mini Knife Switch; 2 pole, 1 throw | $3.85 |
| 70020-D | Mini Knife Switch; 2 pole, 2 throw | $4.25 |
| Miniature Lamp Receptacle |
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Porcelain lamp sockets
with screw-type binding posts. Item# MSD-70025 |
| Telegraph Key |
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Demonstrates how an
electric circuit is momentarily open or closed. Mounted on a plastic base with 2 binding posts. Item# MSD-1994 Price $4.99 |
| Item No. | Description | Price |
| 3675 | L P Gas Burner. Upright form 8¾" height. An excellent burner for laboratories lacking gas connections. Uses liquified petroleum gas which produces an intensely hot (up to 3000°F) clean, blue flame. Inexpensive fuel tanks may be discarded when empty. Refill tanks easily attached. Provides up to 6 hours continuous use on one tank. (Additional $20.00 Hazard Shipping Charge) | $43.75 (Additional $22.00 Hazard Shipping Charge.) |
| 3676 | Replacement Fuel Tank (Additional $20.00 Hazard Shipping Charge.) |
$11.99 (Additional $22.00 Hazard Shipping Charge.) |
3725 |
Gas Lighter. A Safety gas lighter producing the igniting sparks by rubbing an alloy metal upon a tile surface. All metal part renewable. | $ 2.50 |
| Item No. | Description | Price |
| NSI-2636 | Wooden Colored Blocks 26 piece set | $ 9.99 |
| NSI-5254 | Wooden Colored Blocks 52 piece set | $16.99 |
| Hydraulic Pump Kit |
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Discontinued |
Build a
working pump! See-through housing lets observers see the differences between air and water pumps. Item# LER-2023 Price $14.95 |
| 1-800-364-4848 or Order Online |  |
