Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 70
of separation between thetwo solutions. This means that the cell must practically be freshly set upeach time it is used. U. S. CONGRESS CELL This cell (fig. 69) has been made the legal standard of E. M. F. for theU. S. by act of Congress and on recommendation of the National Academyof Sciences. It… … Fitr. 60. W4:390. Fig. 70. W4395. U. S. CONGRESS STANDARD CELL W4390. Glass Cell Only |4 50 With platinum leading in wires; ready for mounting up. W4391. Six Glass Cells 22 50 W4392 Material for Two Cells 4 50 Consisting of (1) Bottle of mercury with dropper, (2) amalgam and tube, (3) mercurous…
Electric apparatus and appliances · Equipment and supplies
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