WHEEL AND AXLE, SIMPLE FORM
PR-53
This apparatus consists of a wooden double wheel with flat bottomed grooves, 150 and 50 mm in diameter, respectively.
The wheel is pivoted on a spindle, 10 mm in diameter and which projects for a distance of 100 mm, so that the apparatus may be clamped to a normal retort stand.
The apparatus is supplied complete with two hooks and 6 meters of whipcord.
The weights and the stand can be bought separately.