20mm Aluminum Density Cube with Hook Lab Supplies_Clips the standard reference decade for

the standard reference decade for precision Wheatstone-bridge and instrument-calibration work

visualizing the relationship between local motion and seismic recording for geology lessons

U-magnet and brass-rail apparatus that demonstrates the motor effect

sized to drop a low-resistance load into a student-built circuit without rewiring or component-mounting

Zinc-plated rectangular steel bar-magnet pair packaged with keepers that bridge the poles in storage

20mm Aluminum Density Cube with Hook Lab Supplies_Clips the standard reference decade forHangs a 20mm solid aluminum cube via an integrated hook for water displacement density work, marked (Al) on one face with a total 1. 5 inch height including the hook.