US$ 11.69
commutator
demonstrating conservation of momentum and energy through ball-to-ball collisions
fanning apart visibly when a charged rod approaches to demonstrate electrostatic repulsion and induction
tightened with an Allen wrench for constructing lattice frameworks on laboratory benches
Used to crank a row of 16 cam-driven rods through a moving sine wave
120mL Glass Alcohol Lamp with Metal Cap and Fiber Wick Biology_Microscopy commutatorPolyhedral 120mL glass alcohol lamp ships with a metal cap and fiber wick for low temperature bench heating in chemistry and biology demonstrations.
US$ 11.69
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