International Library of Technology · Scranton, International Textbook Co. · leaf 249
llto describe briefly several types, the construction of whichbrings them on the safe side of the 1 foot of No. 0000 wireassumed in the calculations. 32. Fig. 30 shows one form of bond; the conducting part aof this bond is flexible, being made up of a number of smallflattened wires cast-welded into… … Fig. 30. holes in the rails by means of a special press that forcesthem home until they not only fill the holes snug, but theirheads also flatten over on the opposite side of the rail,thereby giving greater area of contact between the bondand the rail. The fish-plate is then screwed back into…
Electrical engineering
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