. The street railway review . PIG. l PERFECTION BOND IN PLACE, Perfection bond is m erminal two har dencd bronze plugs, P, P, in Fig. 2, tin one on the insidt :,i flange which when the plug is pressed home turn-, over the pintrading end of the terminal. When the bonds arc in place tlu- two plugs are pressed tieach other preferably by a hand compressor ol convenietiA movement of tlu- plugs , in, nearer together enlarges the bond. PERFECTION AFTER COMPRESSION. terminal 3-16 in. and forms a rivel head on the terminal projectingA claims of superiority made for the Perfection bond are:
. The street railway review . PIG. l PERFECTION BOND IN PLACE, Perfection bond is m erminal two har dencd bronze plugs, P, P, in Fig. 2, tin one on the insidt :,i flange which when the plug is pressed home turn-, over the pintrading end of the terminal. When the bonds arc in place tlu- two plugs are pressed tieach other preferably by a hand compressor ol convenietiA movement of tlu- plugs , in, nearer together enlarges the bond. PERFECTION AFTER COMPRESSION. terminal 3-16 in. and forms a rivel head on the terminal projectingA claims of superiority made for the Perfection bond are: -t possible pressure between rail and bond; best inn headformed on the bond terminal; elimination of electrolytic actionbetween the bond and its plugs; elimination of electrolytic action 11 the bond and the rail no air space exists after the plugsare pressed home); ease of application; attainment of perfeel contact even if the hole is considerably larger than the bond terminal;limited pressure required in applying the bonds; the bond cannotbe turned after being pressed in position; it cannot be driven 01
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
