International Library of Technology · Scranton, International Textbook Co. · leaf 121
orms. As cocoons, cobwebs, etc. serve tolower the insulation of the line to a great extent, this is anadvantage that, in this country, it is not well to overlook. 9. Types of Insulators. — For ordinary work withmoderate pressures, glass insulators are used. The style ofinsulator will depend to some…
Electrical engineering
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