Spur Gear & Spiral Gear

Description

Determination of charge on a electron by measuring a known distance on the basis of number of times of fall under gravity and of rise in uniform vertical electrostatic field in a series of charged oil drops.

Description

For showing the conversion from electrical energy via mechanical, to potential energy by winding up a weight on a cord. One end of the 6mm. steel shaft carries an aluminium 'V' pulley 56 mm. diameter, and the other end is fitted with a cord anchoring collar. Supplied complete with driving belt.