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 145
d a crater .should be reamed out. 11. Waterproof covers are always pro\ided for projector, controller andrheostat. 12. Cable couplings are liable to give trouble from moisture in spite of thewater-tight ga.skets. Use only two end couplings; splice and in.sulate all otherjoints; cover with painted… … ■--D--- 103 HANDBOOK FOR ELECTRICIANS. this fusing takes place tlie pedestal becomes locked and can not revolve. It iscommonly caused by the nonseparation of the carbons, either from failure ofthe mechanism or the adherence of the carbons due to the formation of a mush-room on the negative carbon.…
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-electricengineer04inte-360-155.webp)
