Collins, A. Frederick (Archie Frederick), 1869- · Boston, Small, Maynard and company · leaf 109
WATERTUBE Fig. 38. Cross-section View of the Copper Boiler 93 94 The Boys Book of Engine-Building Fig. 38, and the top view, Fig. 39, and threadthem. Cut off two pieces of %e inch pipe 2V2 or 3inches long and thread both ends of them.Screw a nut on each end of each pipe, smear the smoke BOX… … Fig. 39. Top View of the Boiler ends with red lead, screw them into the holes inthe cap and then screw another nut on the endof each pipe, as shown in Fig. 38. This done,screw both caps on the ends of the large pipegood and tight. Making Small Boilers 95 Next get a seamless copper tube 1 1 inch in…
Steam-engines
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