Report of the ... Annual Meeting of the American Street Railway Association (1897)
American Street Railway Association. Meeting · Chicago : Office of the Association · leaf 173
A?nerican Street Railway Association. ioi The joints of the third rail are bonded by long copper plates, firmly bolted to both sides of the joint, sixteen bolts being used in all. These copper plates are tinned before being put into position. Owing to the large area of contact surface, the presence… … The service rails are bonded with the greatest care, four copper leaf bonds, having a cross section of copper equal in conductivity to that of the rail, being used. These bonds are inserted in the base of the rail instead of the web, so as to prevent breakage through play at the joints. The copper…
Electric railroads · Street-railroads · Transportation · Urban transportation
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-377-162.webp)
