Description
eliminating cord-threading during setup in compound-pulley experiments
Built from two counter-rotating foil-sectored plates with a belt drive and a pair of Leyden-jar condensers
this Wimshurst generator builds a visible high-voltage spark
Pea seed germination model traces cotyledon splitting
Fine Iron Filings, 250g, 40-60 Mesh Capacity_150mL eliminating cord-threading during setup inUS milled iron filings at 40 60 mesh in a 250 gram translucent screw cap bottle, sized for repeated classroom scale field line mapping with a GHS compliant safety label.
Exchange/Return Notes
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