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 . he Firebox—Stationary Boilers—Two-Flue Cylindrical Boiler—Vertical Fire Engine Boiler—Water Tube Boilers—-Babcock-Wilcox, Stirling, Yarrow,Nest Coil Semi-Flash Boilers 139 CHAPTER VII. THE LAYOUT AND CONSTRUCTION OF STEEL STACKS. Size of Stack—Guyed vStack—Self-Supporting Stack—Base Plate—Anchor Bolts—Lining—Fancy Top—Stability—Thick-ness of Shell Plate—Calculations for Stack 191 Feet High by 10 Feet Diameter—Bell-Shaped Base 15
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 . he Firebox—Stationary Boilers—Two-Flue Cylindrical Boiler—Vertical Fire Engine Boiler—Water Tube Boilers—-Babcock-Wilcox, Stirling, Yarrow,Nest Coil Semi-Flash Boilers 139 CHAPTER VII. THE LAYOUT AND CONSTRUCTION OF STEEL STACKS. Size of Stack—Guyed vStack—Self-Supporting Stack—Base Plate—Anchor Bolts—Lining—Fancy Top—Stability—Thick-ness of Shell Plate—Calculations for Stack 191 Feet High by 10 Feet Diameter—Bell-Shaped Base 157 CHAPTER VIII. MISCELLANEOUS PROBLEMS. A Y Breeching—A Tank 85 Feet in Diameter by 30 FeetHigh—Offset from a Round to an Oblong Pipe—A Four-Piece 90-Degree Elbow WithLarge and Small Ends on Each Course—Bottom Course of Stack—A Simple Methodof Laying Out Ship Ventilating Cowls—Intersection of a CyUnder and Elbow by Pro-jection—A Copper Converter Hood—A Hopper for a Coal Chute by Triangulation—A90-Degree Elbow—A Flue and Return Tubular Boiler with Drop Leg Furnaces—A Lobster Back Boiler—A Dog House Boiler 165. FLUE AXn RETURN TUBULAR BOILER IXSTALLED OX THE UXITED STATES REVEXUE CUTTER PERRV. II FEET6 INCHES DIA^EETER BY 1/ FEET LONG, STEAM PRESSURE 60 POUNDS PER SQUARE IXCH. THE SUBJECT OF LAYING OUT The work of laying out in a boiler shop consists of firstdetermining from blue prints or drawings the true size andshape of the plates, bars, etc., of which an object is to beconstructed, and of then marking out on the material itself tothese dimensions the lines on which it is to be cut and necessitates on the part of the layer out a knowledge ofsome of the more common problems in plane geometry, suchas are ordinarily used in drafting; a knowlerdge of that partof descriptive geometry which deals with the development ofthe surfaces of solids of all kinds; and an intimate knowledgeof the behavior of the material which
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Keywords: ., bookcentury1900, bookdecade1900, bookidl, booksubjectsteamboilers
