Vntage Copper Knife Switch 3-Pole on Slate Base ~ Steampunk Frankenstein~ PR767

Description

VINTAGE COPPER KNIFE SWITCH
This is a really neat looking large copper knife switch.
It is a 3-Pole and is mounted on a slate base. Each pole switch has a wood turned handle.
It is unmarked.
PR767
Store Counter A polarimeter is a scientific instrument used to measure the angle of rotation caused by passing polarized light through an optically active substance
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