Double Parallel Pulley with 2" Wheels Item Type_Dissection Equipment Used to position a fine

Used to position a fine point object on the optical bench

this two-wire potentiometer mounts on a metal base for stability during extended laboratory measurements

Single-channel aluminum 1-meter bench with engraved graduations and leveling-screw feet

Long-format 150 x 15 x 10mm Alnico bar pair with keepers

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

Double Parallel Pulley with 2" Wheels Item Type_Dissection Equipment Used to position a fineAluminum bodied double parallel pulley with two 2 inch wheels in a heavy duty 4. 25 inch metal frame and end hooks, demonstrating compound pulley mechanical advantage in paired configuration.