Description

Air-cooled 225-ohm 1

Brass 2 by 0

Hand-painted skin cross-section enlarged 300 times exposes epidermal layers

Fitted with a grey hand knob for tightening and a small plastic pulley

closing a circuit by inserting the plug into the gap between the copper blocks

Steel Extension Spring, 6 x 0.25" Category_Science Gifts Air-cooled 225-ohm 1Six inch steel extension spring with looped ends at 0. 25 inch diameter, the mid length option for paired Hooke's Law comparisons against 4 inch and 9 inch siblings in the series.

Exchange/Return Notes

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Steel Extension Spring, 6 x 0.25" Category_Science Gifts Air-cooled 225-ohm 1

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