The Encyclopedia Americana: A Library of Universal Knowledge, Količina 7Americana corporation, 1931 |
Iz vsebine knjige
Zadetki 1–3 od 74
Stran 64
... mines and minerals , a library of 40,000 volumes , a mint at which 14,000 silver dollars are coined weekly , and over 600 gold ducats yearly , and it has also a church , courthouse and gymnasium . The mines of Clausthal yield silver ...
... mines and minerals , a library of 40,000 volumes , a mint at which 14,000 silver dollars are coined weekly , and over 600 gold ducats yearly , and it has also a church , courthouse and gymnasium . The mines of Clausthal yield silver ...
Stran 149
... mines , is the chief agent in coal - mine explosions . A mine is said to be fiery when the coal - seams give off much fire - damp . Many of the deeper coal mines of Great Britain , France and Germany are very fiery . The most fiery mines ...
... mines , is the chief agent in coal - mine explosions . A mine is said to be fiery when the coal - seams give off much fire - damp . Many of the deeper coal mines of Great Britain , France and Germany are very fiery . The most fiery mines ...
Stran 150
... mines , is probably more used in newly opened mines , than the former . No machines are used in the Pennsyl- vania anthracite mines . Of the total bitumi- nous coal ( 442,624,436 tons ) mined in the United States in 1915 , 243,237,551 ...
... mines , is probably more used in newly opened mines , than the former . No machines are used in the Pennsyl- vania anthracite mines . Of the total bitumi- nous coal ( 442,624,436 tons ) mined in the United States in 1915 , 243,237,551 ...
Vsebina
PALMER WALTER | 128 |
PICKERING WILLIAM | 285 |
SEE THOMAS J J Ph D | 361 |
Avtorske pravice | |
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