Description

Stable-resistance 22 SWG bare constantan wire on a 125g reel

Used as the positive-rail counterpart to the long black lead

supporting both qualitative and quantitative force-vs-distance student investigations

revealing how erosion

Cast Iron Stump Base, 2.3", Black Entomology & Zoology_Dissection Stable-resistance 22 SWG bare constantanCast iron stump base with a black chemical resistant coating, 2. 3 inches wide and 1. 75 inches tall, supporting 13 mm rods for compact small scale laboratory stand setups.

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Cast Iron Stump Base, 2.3", Black Entomology & Zoology_Dissection Stable-resistance 22 SWG bare constantan

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