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 21
... charge , and the mag- iron districts are characterized by the preva- netic ores the remainder . lence of one kind only of these ores , to the exclusion of the others . Magnetic ore is the richest possible com- bination of iron , the ...
... charge , and the mag- iron districts are characterized by the preva- netic ores the remainder . lence of one kind only of these ores , to the exclusion of the others . Magnetic ore is the richest possible com- bination of iron , the ...
Page 22
... charged from vessels at the coaling kilns Bog ores , with which the earliest furnaces in the country were supplied , are now little used . They are rarely found in quantities sufficient for running the large furnaces of the present day ...
... charged from vessels at the coaling kilns Bog ores , with which the earliest furnaces in the country were supplied , are now little used . They are rarely found in quantities sufficient for running the large furnaces of the present day ...
Page 31
... charged with the red peroxide of iron , and loose blocks of great size are seen scattered around , some of them pure ore , and some ore and rock mixed . At the height of 440 feet above the base , where the horizontal section of the ...
... charged with the red peroxide of iron , and loose blocks of great size are seen scattered around , some of them pure ore , and some ore and rock mixed . At the height of 440 feet above the base , where the horizontal section of the ...
Page 33
... charged by a self - regulating valve at the pipes are then concentrated into one main , bottom . The supply of water is furnished which passes down the stack and delivers the to a tank in the top either by pumps con- heated air to the ...
... charged by a self - regulating valve at the pipes are then concentrated into one main , bottom . The supply of water is furnished which passes down the stack and delivers the to a tank in the top either by pumps con- heated air to the ...
Page 37
... charge of pigs in that place . After that , the current of gases is again reversed , the second bath now entering into the position previously taken by the first , and so the process is car- ried on continuously with two portions of ...
... charge of pigs in that place . After that , the current of gases is again reversed , the second bath now entering into the position previously taken by the first , and so the process is car- ried on continuously with two portions of ...
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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