The Technical World Magazine, Volume 19Technical World Company, 1912 |
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Page 359
... thousand ounces of silver and four hundred thousand pounds of copper - a daily production reaching a value of seventy - five thousand dollars , and although twenty thousand tons of ore go daily to the concentrating mill , that is only ...
... thousand ounces of silver and four hundred thousand pounds of copper - a daily production reaching a value of seventy - five thousand dollars , and although twenty thousand tons of ore go daily to the concentrating mill , that is only ...
Page 574
... thousand feet . The flow will be suffi- cient to develop a total of about five hun- dred thousand horsepower . Compared with other power developments in Cali- fornia , this is colossal . The Los Angeles city aqueduct power plant ...
... thousand feet . The flow will be suffi- cient to develop a total of about five hun- dred thousand horsepower . Compared with other power developments in Cali- fornia , this is colossal . The Los Angeles city aqueduct power plant ...
Page 741
... thousand counties do just the thing Grand Forks is doing . " This was the suggestion dropped by Professor Holden in an informal talk with a company of prominent business men from the East and Middle West shortly after his trip to North ...
... thousand counties do just the thing Grand Forks is doing . " This was the suggestion dropped by Professor Holden in an informal talk with a company of prominent business men from the East and Middle West shortly after his trip to North ...
Contents
Inventions That Startle | 5 |
Palace Depot For Two Trains A Day Hartley M Phelps | 16 |
Hyde | 22 |
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