Description

Adjustable-vibrator induction coil producing a 30mm spark from a 6-12V DC input

Air-cooled 225-ohm 1

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

displayed on a plastic-and-metal rack with a carrying handle for transport

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

Steel Extension Spring, 6 x 0.25" Category_Science Gifts Adjustable-vibrator induction coil producing aSix 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 Adjustable-vibrator induction coil producing a

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