Electrical measuring instruments : grand prize Louisiana Purchase Exposition, St. Louis, 1904 (1904)
Leeds and Northrup Company · leaf 10
Wheatstone Bridge and Rheostat This is the same general construction a^ tlic hi->t. There are five• lials in the rheostat which has a total resistance of lo.ooo ohms and mayhv varied by steps of .i f^hni. The bridge lia-> two coils each < >f looo. looaiul lo ohm>. Special rheostats… … THE LEEDS ^t XOKTHRUP COMPANY Carey Foster Bridge For a very complete description of our Carey Foster Bridge,directions for using it and general discussion of the Carey Fostermethod see our circular No. 9, The Carey Foster Bridge.
