Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 69
176. INTERNALLYFIRED FLUE BOILER. —The flue and half theshell surface, if exposedto heat, divided by 14,equals horse-power. 177. HORIZONTALTUBULAR BOILER,with steam and dry steampipe, a, Dry steam pipe.One-half the shell and allthe tube surface, dividedby 14, equals the boilerhorse-power.
Mechanical movements
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