1.5m Metal Optical Bench Mechanics_Kinematics This is highly useful apparatus

This is highly useful apparatus for the wave demonstration

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

Lead-free five-cylinder equal-mass set at 30g each in zinc

6oz each in a 4-pack for chemistry-themed home entertaining and science enthusiast gifting

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

1.5m Metal Optical Bench Mechanics_Kinematics This is highly useful apparatusV 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.