Report of the ... Annual Meeting of the American Street Railway Association (1897)
American Street Railway Association. Meeting · Chicago : Office of the Association · leaf 240
dis- covered that by making the weld under pressure and increasing the pressure as the weld was completed, continuing pressure until weld had practically cooled, the metal was left in a dense condition, free from porosity and of high tensile strength. It was also found that any part of the weld… … bars being placed one on each side of the rail and welded in their places directly to the web of rail, the center weld being made through a loose piece of metal dropped on the bar rather than a boss on the bar. The welding plant consisted of five cars — the sand car, welding car, rotary converter…
Electric railroads · Street-railroads · Transportation · Urban transportation
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
