Wheel And Axle, Simple Form

Wooden double wheeled pulley
Consisting of a wooden double wheel with flat-bottomed grooves, 150 and 50 mm diameter respectively.
The wheel is pivoted on a spindle 10 mm diameter 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 cord but without masses and stand.