Aluminum Calorimeter, 75mm Electricity & Magnetism_Electrostatics Mid-size 75 x 12 x

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

Aluminum 1-inch diameter pendulum bob at 0

a sturdy meteorology tool for classroom and field weather observation

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

Decade capacitance box stepping 0

Aluminum Calorimeter, 75mm Electricity & Magnetism_Electrostatics Mid-size 75 x 12 xPolished 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.