Collins, A. Frederick (Archie Frederick), 1869- · Boston, Small, Maynard and company · leaf 159
*43 144 TJie Boys9 Book of Engine-Building diameter near the bottom of the box can bedrilled in the casting when you get it. Theseare for the sand pipes. Its a hard job to make a pattern for the belland have it cast, but you can buy a bell and makea frame for it. The steam dome is i% inchesin… … THE hWGEfZ^J^fr THE PE&E9TMFig. 56. The Saddle Pedestal and Hanger inch holes on opposite sides of the dome as shownat A in Fig. 55; one of these is for the steamwhistle and the other for the safety valve. Thedome must, of course, have a wide flange so thatit can be riveted securely to the…
Steam-engines
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