Leeds & Northrup apparatus at the Louisiana Purchase Exposition 1904 (1904)
Leeds and Northrup Company · Leeds and Northrup Company · leaf 30
table detector galvanomi equired. The scale over which the pointer moves 1- calibrated for10 divisions each side of the zero, so that up to this limit the galvan-ometer will serve as a measuring instrument when its constant has onc<been determined. T1IK LEEDS & XORTHRUP LUMlANY 20 Keys Our… … 5100. Short Circuiting Key : $6 00 This key is intended especially for use with DArsonval galvanom-eters used with zero deflection methods. The key is connected in circuitwith the galvanometer so that whenever the key is not depressed, thegalvanometer is short circuited, and its oscillations are…
Electricity · Electrical Equipment · Electric Circuits · Electronics
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