Description
Bare 20 SWG copper wire on a 250g reel approximating 140 feet
exposing tympanic
Plastic strip with two crocodile clips and 4mm sockets
and wavelength experiments
Hand painted
Internal Gear and Pinion Drive Mechanical Demonstration Model Item Type_Weights Bare 20 SWG copper wireHand cranked internal gear and pinion between two clear plastic plates, with dual rotation dials for quantitative analysis of gear ratios and rotary motion transmission.
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