Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U.S. seacoast defenses (1902)
United States. War Dept, Anderson, George Lucius, 1849-1934 · Washington, Govt. Print. Off. · leaf 98
t furnishes a permanent record of the workingof the Ijattery. An ampere hour meter, for recording the amount ofboth the charge and discharge, is also valuable, and will act as a check on thereadings taken with the other instruments. 16. The electrolyte is dilute sidphuric acid, and should be… … 93. Long Flat Hy=drometer. 70 HANDBOOK FOR ELECTRICIANS. If the tiser mixes liis own solution, care must be taken to pour the acidinto the water, not the water into the acid. The acid must be added to thewater slowly and with great caution, because of the heat generated; the finaldensity of the…
Electric machinery · Searchlights · Coast defenses
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