P401.029 THERMOPILE COPPER IRON
Description
Four copper and four iron wires, each 125mm long joined together to form 7 points, four on one side and three on the other, with brass connections on the outer wires.
Four copper and four iron wires, each 125mm long joined together to form 7 points, four on one side and three on the other, with brass connections on the outer wires.
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