The reason that an entirely new location was needed for locomotive repairs was the ever increasing size of locomotives used in road service. Prior to 1880, most American locomotives were relatively small machines, rarely over 30 tons. Individual parts could be moved with hand power, swing cranes, blocks, jacks, and human muscles. New power cranes with large clearances were now needed to clear a finished engine above its neighbor on the shop floor. Continued
Canon EOS 30D & EF-S 17-55 f/2.8 IS lens
0 comments:
Post a Comment