Demonstrating longitudinal and transverse waves. Some eccentric discs move several metal rods. Transverse waves are obtained by straight rods and longitudinal waves by bent rods.
Nickel-plated steel weight with slot design ensures that it may be easily removed and replaced, but will not fall off accidentally. All weights have the same size slot. Will fit both 50g or 100g nickel plated steel weight handers.
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13 cm diameter molded wheel contains 4 grooves of different diameters in the ratios 1, 3, 5 & 7. The grooves are wide and flat bottomed ensuring an exact diameter for each groove, each comes with a small hole to retain the cord. The back of the wheel is hollow to minimize the mass and inertia. Wheel is attached to…
Traditional Electrostatic generator consists of two 250mm diam. Discs with radial aluminum segments driven in opposite directions by hand wheel and belt, with two Leyden jars, on wooden base.
This wire cutter and stripper is for use in installation, repairing and experiments. It will work as a cutter as well as stripper. It has new design handle for making proper pressure on cable. It has locking system at handle of tool.
Long wire helix (spring) for super wave demonstrations. On stand with instructions. Closed length of spring is 10" long and 2 1/2" Diameter. Base is 5"x5".
