 No improvements have been made here in it within the last thirty years, and the use of bituminous and anthracite coal in our furnaces is absolutely and entirely unknown. Attempts, and of the most costly kind, have been made to use the coal of the western...  The Technical repository, by T. Gill - Seite 85herausgegeben von - 1771Vollansicht - Über dieses Buch
 | Pennsylvania Society for the Promotion of Internal Improvements in the Commonwealth - 1826 - 52 Seiten
...World, in these riches; for she has coal of a quality superior to that of her most prosperous rival, and she has great varieties of this most valuable mineral;...coal in the making of iron was introduced, England has increased the manufacture of this article many thousand fold; and the cost of its production has... | |
 | James Moore Swank - 1884 - 452 Seiten
...Pennsylvania, and the necessity of enlarging it by the adoption of European methods, the committee says : No improvements have been made here in it within the...in our furnaces is absolutely and entirely unknown. Attempts, and of the most costly kind, have been made to use the coal of the western part of our State... | |
 | James Moore Swank - 1884 - 452 Seiten
...necessity of enlarging it by the adoption of European methods, the committee says : No improvements Lave been made here in it within the last thirty years,...of bituminous and anthracite coal in our furnaces u absolutely and entirely unknown. Attempts, and of the most costly kind, have been made to use the... | |
 | 1891 - 902 Seiten
...who was its European agent : " No improvements have been made here in it [the manufacture of iron] within the last thirty years, and the use of bituminous...in our furnaces is absolutely and entirely unknown. Attempts, and of the most costly kind, have been made to use the coal of the western part of our State... | |
 | James Moore Swank - 1892 - 614 Seiten
...Pennsylvania, and the necessity of enlarging it by the adoption of European methods, the committee says : " No improvements have been made here in it within the last thirty years, and the use of bituminuous and anthracite coal in our furnaces is absolutely and entirely unknown. Attempts, and of... | |
 | William Jasper Nicolls - 1896 - 434 Seiten
...model locomotive, is the following with reference to the manufacture of iron in the United States : " No improvements have been made here in it within the...bituminous and anthracite coal in our furnaces is entirely unknown. Attempts of the most costly kind have been made to use the coal of the western part... | |
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