. Railroad construction, theory and practice; a text-book for the use of students in colleges and technical schools, and a hand-book for the use of engineers in field and office . Fig. 201. is very rapidly increasing. The demand for greater strengthin car-frames has gro-v\m until the M^ooden framing has becomeso heavy that it is found possible to make steel frames andtrucks at a small additional cost, the steel frames being twiceas strong and yet reducing the dead weight of the car about5000 lbs., a consideration of no small value, especially on roadshaving heavy grades. Another reason for the
. Railroad construction, theory and practice; a text-book for the use of students in colleges and technical schools, and a hand-book for the use of engineers in field and office . Fig. 201. is very rapidly increasing. The demand for greater strengthin car-frames has gro-v\m until the M^ooden framing has becomeso heavy that it is found possible to make steel frames andtrucks at a small additional cost, the steel frames being twiceas strong and yet reducing the dead weight of the car about5000 lbs., a consideration of no small value, especially on roadshaving heavy grades. Another reason for the increasing useof metal is the great reduction in the price of rolled or pressed. :10aOOO-LB. Box Car.
Size: 2527px × 989px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorwebbwalt, bookcentury1900, bookdecade1920, bookyear1922
