Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 47
e signed by the firm and our chief ad-juster and giving the exact resistance at a given temperature, the accuracyof adjustment, and the temperature co-efficient. This certificate also con-tains our guarantee of perfect workmanship, and binding o\irselves tomake good any errors of or changes in… … Fig. 33. W4346-48. SINGLE STANDARDS OF FAIR ACCURACY.* W4246. standard Resistance $5 00 Any desired value between 0.5 and 100 ohms. Mounted in polishedhard rubber block and has both strip (for meter bridge) and binding postterminals. Accuracy 1-lOjg.W4247. Standard Resistance $6 00 Same as W4246,…
Electric apparatus and appliances · Equipment and supplies
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