 Lordships that a similar inquiry should be instituted into the comparative usefulness of the several kinds of English, Scotch, and Irish coals, with the view of ascertaining the best for the naval steamers of this country. I may be allowed to point out...  First [-third] Report on the Coals Suited to the Steam Navy - Страница 3по Henry Thomas De La Beche, Museum of Practical Geology (Great Britain), Lyon Playfair Baron Playfair - 1848 - 57 странициПълен достъп - Информация за книгата
 | United States. Congress. Senate - 1844 - 828 страници
...important to decide, by direct and practical tests, the comparative usefulness of American and foreign coals, as well as the relative value of the former, in their numerous varieties. The point of greatest interest, the heating power of combustible bodies, has heretofore been sought!''... | |
 | Andrew Ure - 1856 - 1140 страници
...says: — " They have decided by direct and practical tests the comparative usefulness of American and English coals, as well as the relative value of the...should be instituted into the comparative usefulness of English, Scotch, and Irish coals, with the view of ascertaining the best for the naval steamers of... | |
 | Andrew Ure - 1870 - 1134 страници
...: — " They have decided by direct and practical tests the comparative usefulness of American and English coals, as well as the relative value of the...should be instituted into the comparative usefulness of English, Scotch, and Irish coals, with the view of ascertaining the best for the naval steamers of... | |
 | 1848 - 692 страници
...country; and iu 1842-3, directed a course of experiments to be made on the different kinds of coals of the United States, for the purpose of ascertaining...several kinds of English, Scotch, and Irish coals, with a view of ascertaining the best for the naval steamers of this country. " I may be allowed to point... | |
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