Mechanics

Comprising a 50 mm diameter pulley, carried on a two part aluminium frame, designed primarily for clamping to the edge of a bench, table etc. With the pulley overhanging the edge and in a vertical plane. Overall length of frame (pulley bar) 110 mm. Maximum clamp opening 25 mm.

Made of steel, graduated in centimeters and millimeters. Rule Steel is available in size 30 cms, 50 cms, and 1 meter.

Set comprises masses of brass with slots, brass hangers with hook. Fine finish, masses removable and replaceable on hanger. Set of 9 weights, one hanger each of 10 gm. Total weight 100 gm. Set of 9 weights, one hanger each of 25 gm. Total weight 250gm. Set of 4 weights, one hanger each of 50 gm. Total weight 250gm. Set of 9 weights, one hanger each of 100gm. Total weight 1000gm. Set of one hanger 20 gm. three weights 20 gm. Total weight 100gm. Set of one hanger 50 gm, nine weights 20 gm. One weight 10 gm. and two weights 5 gm. Total 250 gm. Spare slotted weights and Hangers 5gm., 10gm., 20gm., 50gm., and 100 gm. are also available.

Closely wounded Steel extension springs with loops at both sides, dia 6 mm approx. Closely wound with loops at both sides, dia. 6 mm approx. wire of 19 swg. Length 150 mm, Extension 230 mm average for 200g load