1.5m Metal Optical Bench Mechanics_Kinematics the lower-friction variant of the

the lower-friction variant of the metal-bearing bench-clamp pulley in the series

2A with constantan winding on a vitreous-enameled steel tube and a nickel-plated phosphor-bronze sliding contact

a lamp house

this large earthworm dissection model reveals segmentation

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

1.5m Metal Optical Bench Mechanics_Kinematics the lower-friction variant of theV location formed by two hexagonal bars and a hexagonal carriage prevents sag along this 1. 5 meter precision optical bench, with a single point central support stabilizing the rail.