A one meter long single resistance wire passes over a meter scale and is firmly clamped to stout brass end-plates, on wooden base. Complete with knife-edge jockey.
A one meter long single resistance wire passes over a meter scale and is firmly clamped to stout brass end-plates, on wooden base. Complete with knife-edge jockey.
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A one meter long single resistance wire passes over a meter scale and is firmly clamped to stout brass end-plates, on wooden base. Complete with knife-edge jockey.