Electrical measuring instruments : grand prize Louisiana Purchase Exposition, St. Louis, 1904 (1904)
Leeds and Northrup Company · leaf 20
0( ^m:A UmJ \wm 1WWM1 mm /5/OQO 400 300 200 /oo ^ mmtA mtm mmA mmmMn^ … (■ig. 9 this apparatus. Since the connections for making tliis measurement aretlie same as for other measurements we shall describe and illustrate it. In the Fig. 9. B represents a short piece of copper wire to be meas-ured, n and o are two contact points on ii at a known distance apartand the…
