Electrical measuring instruments : grand prize Louisiana Purchase Exposition, St. Louis, 1904 (1904)
Leeds and Northrup Company · leaf 30
le detector galvanometeris required. The scale over which the pointer moves is calibrated inv10 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 once-been determined. THE LEEDS & NORTHRUP COMPANY 29 Keys Our… … 5100. Short Circuiting Key $6 00 This key i> intended especially for use with DArsonval galvanom-eters used with zero deHection 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…
