International Library of Technology · Scranton, International Textbook Co. · leaf 224
taken up against piece b,Avhich is separated from pieces a^ a by insulating material.The whole insulator, with the exception of the two eyes, iscovered with molded insulating material. 22 ELECTRIC RAILWAYS. Fig. 6 shows a strain insulator and turnbuckle combined,the turnbuckle serving to stretch…
Electrical engineering
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