"Anthracite coal" Quotes from Famous Books
 ... Borneo are very considerable; coal, gold, iron, diamonds, tin, and antimony are among the most valuable. Anthracite coal is not found in the country, that which is in evidence being from the tertiary period. Gold is everywhere, but thus far is not found in sufficient quantity to pay. Formerly the natives of the upper Kotawaringin district had to pay the Sultan gold as a tax. A mining engineer ...
— Through Central Borneo: - An Account of Two Years' Travel in the Land of Head-Hunters - Between the Years 1913 and 1917 • Carl Lumholtz
... monoxide and carbon dioxide present entirely depends upon the temperature of the generator, and the kind of carbonaceous matter employed. With a hard, dense anthracite coal, for instance, it is quite possible to attain a temperature at which there is practically no carbon dioxide produced, while with an ordinary form of generator and a loose fuel like coke, a large proportion of carbon dioxide is ...
— Scientific American Supplement, No. 794, March 21, 1891 • Various |
