Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 71
188. THORNYCROFT BOILER.—A large steel drum above and a waterdrum below, connected with a large num-ber of bent tubes. The water return isthrough a large tube at the rear end ofthe boiler. … 189. SEE WATER TUBE BOILER.— A series of short straight tubes connecting a hori-zontal steam drum with a rectangular water baseon each side of the furnace. Return tube at backof boiler. STEAM POWER. 61
Mechanical movements
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