20-Piece Metallic Ores Specimen Set Capacity_5mL and friction experiments on inclined

and friction experiments on inclined planes and tracks

Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric

Features a glass stopcock and a 29/32 size socket with an interchangeable plastic stopper

Replacement 3-6V 5W heating element for the PH0454A double-wall calorimeter

High-tension power supply driving spectrum and discharge tubes in atomic spectra and gas discharge demonstrations for advanced physics classrooms

20-Piece Metallic Ores Specimen Set Capacity_5mL and friction experiments on inclinedBuilt for economic geology teaching, this 20 piece metallic ore specimen set demonstrates the raw sources of industrial metals for classroom identification.