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 19
contact with boiler partsand near the i)atches. Change of watermay cure. Or, let a chemist discoverand apjily a neutralizing agent. (c) To ])revent external corrosion.allow no water to come in contact with 8. Corrosion Next a Lap.the boilers outside, or dampness from leaking to remain in the… … 14 HANDBOOK FOR ELECTRICIANS. (F) CI.EANING THE BOILER. 1. While cleaning, watch for faults. 2. The heating siirface, first of all, should be kept clean on both sides. Neverallow scale or soot to exceed y\ inch in thickness. A chisel may be used forscale; a scraper, chain or wire brush, and not…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-533-329.webp)
