Model making; including workshop practice, design and construction of models, a practical treatise for the amateur and professional mechanic .. (1919)
Yates, Raymond F. (Raymond Francis), 1895- ed · New York, The Norman W. Henley Pub. Co. · leaf 231
228 Model Engineering soldered into the boiler drum. This is essential if a gaso-lene torch is to supply the heat. The boiler heads are of copper discs with the edgesspun over to a tight fit on the drum. They are thensecured with a long stud running the entire length ofthe boiler. Finally the joint… … rig. 154—The bottom of the Scott boiler shown in Fig. 153 rupture and leakage by careful silver soldering. Careshould be taken to make sure that the joint is actually*^sweated, i.e., that the solder flows right through thejoint to the inside of the boiler. The proper heat, a goodflux, and a clean…
Machinery
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