Low-Friction Triple-Tandem Plastic Pulley, 25/38/50mm Diameter Physics_Alternative Energy and energy transfer in a

and energy transfer in a compression wave

Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0

this metal wave apparatus pairs the rotary handle with a degree scale so students can read phase against vertical displacement

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

this motor-generator pairs a split-ring commutator against slip rings with bulb indicators

Low-Friction Triple-Tandem Plastic Pulley, 25/38/50mm Diameter Physics_Alternative Energy and energy transfer in aTriple tandem plastic pulley with 25 38 50mm ball bearing wheels on an open sided 17. 6cm steel frame, eliminating cord threading during setup in compound pulley experiments.