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 229
g tion is supposed to pertain to the construction of theboiler, rather than to be a eulogy of its fine points. The drum is a length of brass tubing 2Vi inches indiameter and 8% inches long. The holes for the underloops or tubes are best drilled by packing the brass tubewith a wooden mandrel which… … Fig. 152—A complete marine Ijoiler of the t3rpe shown in Fig. 147 and easy to work that no particular trouble will be experi-enced in bending it to the required loop-shape. Thereader will notice that the loops are in the form of horse-shoe magnets with one leg shorter than the other. Theloops are…
Machinery
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