Aluminum Calorimeter, 75mm Electricity & Magnetism_Electrostatics one fitted with an exploder

one fitted with an exploder piston for impulse experiments

Wood-based friction board apparatus with a 19-inch metal surface plus two hooked friction sliders with different top materials for comparative sliding-friction investigations

75-inch frame for bench storage between uses in teaching chemistry and biology labs

Mid-size 75 x 12 x 15mm Alnico horseshoe with poles clearly indicated and a keeper to bridge the gap during storage

Aluminum Calorimeter, 75mm Electricity & Magnetism_Electrostatics one fitted with an exploderPolished aluminum calorimeter at 75 by 50mm with a wood or plastic lid, rubber stopper, and stirrer, the low mass vessel minimizing heat absorption during specific heat experiments.