Half-Size Female Adult Human Torso Model with Head and Open Back, 18", 16-Part Electricity & Magnetism_Circuits Triple tandem plastic pulley with

Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17

the smallest in the bar-magnet series

Aluminum 40cm precision force table with tapped pulley positions and central ring assembly for resolving and composing force vectors under equilibrium conditions

Hand-cranked cam turning against both a straight follower and a lever follower

Half-Size Female Adult Human Torso Model with Head and Open Back, 18", 16-Part Electricity & Magnetism_Circuits Triple tandem plastic pulley withOpen back reveals spine and posterior musculature while the head section preserves upper body context, across 16 removable parts in an 18 inch female half size model.