20mm Copper Density Cube with Hook Lab Equipment_Power Supplies Ten-pack of 16mm steel ball

Ten-pack of 16mm steel ball bearings sized as a larger projectile for ramp experiments

this cast double burette clamp secures two burettes side by side for back-titration and comparative analytical procedures

Spanning C (256 Hz) through C (512 Hz) in scientific pitch

Six replacement gold leaves cut to fit the standard gold-leaf electroscope

Free-standing plant cell model displays greatly magnified organelle detail for student-directed rotation and inspection in cell biology coursework

20mm Copper Density Cube with Hook Lab Equipment_Power Supplies Ten-pack of 16mm steel ballHangs a 20mm solid copper cube via an integrated hook for buoyancy and density work, with the (Cu) element stamp and a total 1. 5 inch height including hook for spring scale suspension.