First Century of National Existence: The United States as They Were and are ... Mineral Wealth ... Public Lands ... Internal Trade ... Immigration ... Banking ... Insurance ... Literature and Authors ...L. Stebbins, 1874 - 586 pages |
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Page 23
... heating ovens , through which the blast is forced from the blowing cylinders in a series of iron pipes , arranged so as to absorb as much as possible of the waste heat from the combust- ible gases that issue from the top of the stack ...
... heating ovens , through which the blast is forced from the blowing cylinders in a series of iron pipes , arranged so as to absorb as much as possible of the waste heat from the combust- ible gases that issue from the top of the stack ...
Page 32
... heat- ing them in the midst of burning charcoal ; the effect of which is to cause the oxygen to unite with the carbon in the form of carbonic acid or carbonic oxide gas , and escape , leav- ing the iron free , and in a condition to be ...
... heat- ing them in the midst of burning charcoal ; the effect of which is to cause the oxygen to unite with the carbon in the form of carbonic acid or carbonic oxide gas , and escape , leav- ing the iron free , and in a condition to be ...
Page 33
... heat for raising steam power is the weight of a body of water let for the engines . A portion of the gases is into a reservoir under the platform when it also led into a large heating - oven , usually is at the top . This being allowed ...
... heat for raising steam power is the weight of a body of water let for the engines . A portion of the gases is into a reservoir under the platform when it also led into a large heating - oven , usually is at the top . This being allowed ...
Page 34
... heat is requisite , and how long it must be continued to pro- duce a certain result every time . Here is no guess - work , no “ rule of thumb , " no un- certainty . If he requires the best steel for rails , he can furnish it of ...
... heat is requisite , and how long it must be continued to pro- duce a certain result every time . Here is no guess - work , no “ rule of thumb , " no un- certainty . If he requires the best steel for rails , he can furnish it of ...
Page 35
... heat than either steel or cast iron . In actual practice it is never melted , but when the mass attains a pasty or semi - glutinous condition , it is by one process or another , either hammered , pressed , or squeezed till the ...
... heat than either steel or cast iron . In actual practice it is never melted , but when the mass attains a pasty or semi - glutinous condition , it is by one process or another , either hammered , pressed , or squeezed till the ...
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