Complete Catalogue of Electrical Measuring And Test Instruments
Complete Catalogue of Electrical Measuring And Test Instruments
Hartmann Braun
The book Complete Catalogue of Electrical Measuring And Test Instruments was written by author Hartmann Braun Here you can read free online of Complete Catalogue of Electrical Measuring And Test Instruments book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Complete Catalogue of Electrical Measuring And Test Instruments a good or bad book?
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M. F. Falls below 1 volt, without waiting until they are almost entirely run down. No. 501 a should be charged at about 0. 4 amperes and No. 501 c at about 0. 2 amperes for a few hours. GG HARTMANN & BRAUN, BOCKENHEIM- FRANKFORT o. M. Portable batteries in wood cases. Portable batteries, in strong oak cases for measuring purposes. Cells of No. 501 a type, not exceeding 30 in number, and qf No. 501 c not exceeding 100, are securely mounted for travelling purposes in case, fitted if desired with ...commutator, selector, &c. Where space is available the larger size cells are preferable, as these, with a low internal resis- tance, vary but slightly in voltage in the course of time. The smaller cells are especially suitable for use with portable apparatus for determining insulation, as in this case it is not so much a question of the internal resistance of the battery as of obtaining the highest possible potential within the smallest space. No. 502. Battery of 30 cells No. 501 a, coupled in series, in oak case, with compartments, and selector for 10, 20, or the total number of cells.
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