Neusilber resistance block, 1869
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An Neusilber resistance box, 1869 with serienumber 1316 It is marked “richtig bei 20 grad Celsius”.
The two halves are identical, and have resistances of 1000, 100, 10 and 1 ohms. This curious arrangement of values suggests that this might have been used as the two ratio arms of a Wheatstone bridge. The tapered connection plugs extending to the left may be inserted in each of the brass connection blocks.
