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Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 67
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 dn steampipe. c7, Dr}- steam pipe.One-half the shell and allthe tube surface, .dividedby 14, equals the boilerhorse-power.Mechanical movements
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