Laying out for boiler makers and sheet metal workers; a practical treatise on the layout of boilers, stacks, tanks, pipes, elbows, and miscellaneous sheet metal work . c^ ,.,, -L.^iv \:>«*t^ a o o *.?^«ii*r the bottom line. The intersection of every vertical line with hand corner and those on the left-hand end of the sheet tothe longitudinal line gives the location of a stay-bolt. Lay suit the figures on tiie card. .Ml the work on this sheet shouldout the rivets in the second row from the top as shown. The be thoroughly checked to make sure that everything is correct. 78 LAYING OUT FOR BOIL
Laying out for boiler makers and sheet metal workers; a practical treatise on the layout of boilers, stacks, tanks, pipes, elbows, and miscellaneous sheet metal work . c^ ,.,, -L.^iv \:>«*t^ a o o *.?^«ii*r the bottom line. The intersection of every vertical line with hand corner and those on the left-hand end of the sheet tothe longitudinal line gives the location of a stay-bolt. Lay suit the figures on tiie card. .Ml the work on this sheet shouldout the rivets in the second row from the top as shown. The be thoroughly checked to make sure that everything is correct. 78 LAYING OUT FOR BOILER MAKERS FIRE-BOX CROWN SHEET. The crown sheet connecting the side sheet shown in is represented in Fig. 30. The neutral line of the front andback of the sheet is shown in the left-hand view. Select alarge sheet and draw a top reference line AB. At right anglesto this, draw a center line CD. Lay out the two views of thecrown sheet to the figures on the boiler card. Lay off on thefront neutral line points Oi, 2i, 41, etc. Lay off on the back neu-tral line ii, 3i, 51, 71. Connect these lines by diagonal lines inboth views. Lay off the angle ABC. Lay off
Size: 1520px × 1644px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidl, booksubjectsteamboilers
