Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . fa Figure 46 Heavy The Derry-Collard Co. Figure 4?Flanging fire door shown in Plate 3. 90 Flanging. shows the back head flanged in opposite directions. Theouter portion of the flange is the first operation, then thesheet is reheated and placed in the dies as shown in , when the fire doors are flanged one at a time bythe die A. The press here shown has a top cylinder and

---

Size: 1735px × 1441px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912