U.S. Naval Institute Proceedings, Nide 6U.S. Naval Institute, 1880 |
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Tulokset 1 - 5 kokonaismäärästä 24
Sivu 50
... coal will not be more than ten pounds per square foot of grate surface which will give about a 24 horses power . To consume even this amount of coal , an artificial draught may be necessary , and assuming that 25 indicated horses ...
... coal will not be more than ten pounds per square foot of grate surface which will give about a 24 horses power . To consume even this amount of coal , an artificial draught may be necessary , and assuming that 25 indicated horses ...
Sivu 221
... COAL . BY PROF . CHARLES E. MUNROE , U. S. N. A. MR . CHAIRMAN : — By the valuation of coal is meant the estimation by experiment of its value as a calorific agent , and it will be admitted that the dis- covery of some method which will ...
... COAL . BY PROF . CHARLES E. MUNROE , U. S. N. A. MR . CHAIRMAN : — By the valuation of coal is meant the estimation by experiment of its value as a calorific agent , and it will be admitted that the dis- covery of some method which will ...
Sivu 222
... coal a substance whose composition is very variable and very complex ; but , as we have no proximate analysis of coal , it is not possible to make this directly apparent , and therefore we must prove . the truth of the statement in ...
... coal a substance whose composition is very variable and very complex ; but , as we have no proximate analysis of coal , it is not possible to make this directly apparent , and therefore we must prove . the truth of the statement in ...
Sivu 223
... coal , S. Wales , 55.9 36.42 Jet , Whitby , Semi - bituminous , Steam coal , Anthracite , If , in addition to this , we heat the coal in closed vessels , out of con- tact with the air , if the coal be other than anthracite we shall find ...
... coal , S. Wales , 55.9 36.42 Jet , Whitby , Semi - bituminous , Steam coal , Anthracite , If , in addition to this , we heat the coal in closed vessels , out of con- tact with the air , if the coal be other than anthracite we shall find ...
Sivu 224
... coal , by a calculation based only on a knowledge of the quantities of carbon , hydrogen and oxygen which it contains . " These substances exist in the coal in a state of combination , the com- pounds of the various elements being mixed ...
... coal , by a calculation based only on a knowledge of the quantities of carbon , hydrogen and oxygen which it contains . " These substances exist in the coal in a state of combination , the com- pounds of the various elements being mixed ...
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