. The trackman's helper, a handbook for track foremen, supervisors and engineers . thick at the bottom and 12 in. wide and4 in. thick at the top. The latter width is only main-tained for a length of 15% in. to provide room forthe letter W. These posts are set in the ground3 ft. 6 in. The letter is 714 in. high, % in. deep and11/4 in. wide and is placed only on one side of thepost, the other side being left blank. This post isreinforced with four pieces of i/o in. twisted steelbars, 8 ft. 2 in. long and the corners are rounded to a 200 THE THACKMANS HELPER % in. radius. Station whistle posts ar
. The trackman's helper, a handbook for track foremen, supervisors and engineers . thick at the bottom and 12 in. wide and4 in. thick at the top. The latter width is only main-tained for a length of 15% in. to provide room forthe letter W. These posts are set in the ground3 ft. 6 in. The letter is 714 in. high, % in. deep and11/4 in. wide and is placed only on one side of thepost, the other side being left blank. This post isreinforced with four pieces of i/o in. twisted steelbars, 8 ft. 2 in. long and the corners are rounded to a 200 THE THACKMANS HELPER % in. radius. Station whistle posts are identical withthose described except that a line 8 in. long is castunder the letter W. These signs are placed i/o stations. ^The concrete mile posts are made in two widths,one for one or two figures and one for three former are 6 in. thick and 12 in. wide and thelatter 6 in. thick and 14 in. wide. All are 8 ft. 6 with the upper 4 in. rounded off from the edgesto the center. The figures, which are 6 in. high, are cNo. 7 soft sfeef wire. VFence bar. Fence Post. Elevation of Fence Brace. Fig. 38. Details of Line and Corner Fence Postsand Braces set into the posts between two horizontal lines % placed 14 in. and 26 in., respectively, from- thetop of the post. Both sides of the post are made thesame. The reinforcement consists of four pieces of% in. twisted steel bars 8 ft. long and the corners arerounded to a 1 in. radius. These posts are set 3 in. in the ground, and are placed 10 ft. from thecenter of the post to the gage side of the near railon the right hand side of the track going south fromBuffalo and Rochester. They are used both on themain line and branches. BUILDING FENCES 201 A mixture of 1 part cement and 3 parts fine gravelis used in the fence posts, corner posts, and cornerpost braces, while a 1:2 :4 concrete mixture is used inthe other cases. The fence posts are cast in gangmoulds of 30 each, mounted on trucks. Three ofthese b
Size: 2197px × 1138px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookdecade1910, bookidtrackmanshelperh01kind
