Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .. (1904)
United States. War Dept · Washington, Govt. print. off. · leaf 97
ishes a permanent record of the workingof the battery. An ami)ere ho\ir meter, for recording the amount ofboth the charge and discharge, is also valuable, and \\nll act as a chei-k on thereadings taken with the other instriaments. 16. The electrolijte is dilute sulphuric acid, and sliould be… … 93. Long Flat Hy-drometer. 70 HANDBOOK FOR ELECTRICIANS. If the user mixes his own solution, care must he 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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