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 . For 5^ Rivet FIG. 14. half-round saddles in the same manner as the middle bearers,except that the supports are secured to the bearer direct,flanges being cast on bearer for that purpose. This casting is shaped so that a shelf is provided for thebricks to rest on in building the bridge wall. The bridge wall is built up of brick and firecla.\-, the topbeing crowned, allowing a clear opening over it of about 16. .\RR.\NGEMENT OF FU


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 . For 5^ Rivet FIG. 14. half-round saddles in the same manner as the middle bearers,except that the supports are secured to the bearer direct,flanges being cast on bearer for that purpose. This casting is shaped so that a shelf is provided for thebricks to rest on in building the bridge wall. The bridge wall is built up of brick and firecla.\-, the topbeing crowned, allowing a clear opening over it of about 16. .\RR.\NGEMENT OF FURNACE FITTINGS. placed inside and the nuts outside, as the nuts should be keptaway from the fire. If the nuts were placed inside it wouldbe difficult to remove them for repairs, due to the threads beingburned. The fronts and linings are each in one piece, theframe in three pieces. The doors are of wrought steel, 3-16 inch thick, fianged anddrilled for air holes, slice bar door, sagging bolt from upperhinge and latch for holding door open when firing the door is fitted with a cast iron lining, the lining havingsockets cast on it, through which the bolts pass: the heads ofbolts are recessed into lining to keep them out of the fire asmuch as possible. The arrangement of door is shown in detail on drawing. per cent, of the grate surface. With this area over bridge wallthere will be no trouble and the boiler will steam well. With this arrangement of furnace fittings it will be noticedthat there are no fastenings into the pkites or into steam orwater space, an


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Keywords: ., bookcentury1900, bookdecade1900, bookidl, booksubjectsteamboilers