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 20
... give some account of the mate- rials employed , and explain the conditions which this manufacture depends . Three elements are essential in the great branch of the business - that of producing pig iron , upon able flux to aid the ...
... give some account of the mate- rials employed , and explain the conditions which this manufacture depends . Three elements are essential in the great branch of the business - that of producing pig iron , upon able flux to aid the ...
Page 29
... give support to a very few fur- naces ; but in Iowa they contain no worka- ble beds at all . MICHIGAN . The iron region of this state is in the upper peninsula , between Green Bay and Lake Superior . Magnetic and specular ores are found ...
... give support to a very few fur- naces ; but in Iowa they contain no worka- ble beds at all . MICHIGAN . The iron region of this state is in the upper peninsula , between Green Bay and Lake Superior . Magnetic and specular ores are found ...
Page 33
... give out , the stack is built It is , moreover , driven in at a pressure ( pro- so that they can be replaced when necessary . duced by the contracted aperture of the The hearth is reached on each side of the nozzle of the tuyeres in ...
... give out , the stack is built It is , moreover , driven in at a pressure ( pro- so that they can be replaced when necessary . duced by the contracted aperture of the The hearth is reached on each side of the nozzle of the tuyeres in ...
Page 52
... give en - ceeding cut the groove is deepened to the couragement to this proving a copper - pro- same extent until it reaches through the mass . ducing district . The formations upon Isle The process is slow and tedious , a single cut ...
... give en - ceeding cut the groove is deepened to the couragement to this proving a copper - pro- same extent until it reaches through the mass . ducing district . The formations upon Isle The process is slow and tedious , a single cut ...
Page 55
... gives to the mines of this character a great advantage , as their productiveness is not limited to the thickness of ... give way , though 1,450 pounds of powder had been exploded behind it in five succes- sive sand - blasts . A charge ...
... gives to the mines of this character a great advantage , as their productiveness is not limited to the thickness of ... give way , though 1,450 pounds of powder had been exploded behind it in five succes- sive sand - blasts . A charge ...
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Academy American amount annual anthracite banks Baptist beds bituminous bituminous coal Boston called canal capital carbon Carolina cent Christ church coal coal oils colonies commenced Company Connecticut connection copper cost denomination district doctrine emigrants England Episcopal Erie canal established exports faith feet Female College fire furnaces gold heat hematite houses important increased institutions iron Lake land lead man-catchers manufacture Mass Massachusetts ment metal Methodist miles mines ministers nearly North Carolina Ohio operation Orleans oxide paper passed Pennsylvania Philadelphia pig iron pipes population portion Presbyterian produce pyrites quantity railroad river sandstone shales silver steel success supply Synod teachers Theological Seminary Thursday in June tion tons Total town trade United University Virginia Wednesday in June western Yale College York YORK PUBLIC LIBRARY zinc