The Technical World Magazine, Volume 23Technical World Company, 1915 |
From inside the book
Results 1-5 of 43
Page 24
... coal and oil deposits of the world will be exhausted at the end of another hun- dred years , and the wheels of industry may be nalted as a consequence . It is indeed an ominous outlook which con- fronts us . " " Not quite so ominous as ...
... coal and oil deposits of the world will be exhausted at the end of another hun- dred years , and the wheels of industry may be nalted as a consequence . It is indeed an ominous outlook which con- fronts us . " " Not quite so ominous as ...
Page 27
... coal was abnormally high and the demand for power heavy in this greatest of the world's gold fields , led to the formation of the Victoria Falls VICTORIA'S BOILING POT It roughly corresponds to the Whirlpool Rapids of Niagara . Power ...
... coal was abnormally high and the demand for power heavy in this greatest of the world's gold fields , led to the formation of the Victoria Falls VICTORIA'S BOILING POT It roughly corresponds to the Whirlpool Rapids of Niagara . Power ...
Page 50
... coal through the Harecastle tunnel in England for years . Some months ago TECHNICAL WORLD MAGAZINE published an account of the men who lie flat on their backs and with feet on the roof of the tunnel , shove the little boats loaded with coal ...
... coal through the Harecastle tunnel in England for years . Some months ago TECHNICAL WORLD MAGAZINE published an account of the men who lie flat on their backs and with feet on the roof of the tunnel , shove the little boats loaded with coal ...
Page 63
... coal and metals , and for railroad building . Motion pictures of the Panama Canal , and other construction work , have shown how , in a single charge , 10,000 or 20,000 pounds of dynamite have been exploded . But in the near vicinity of ...
... coal and metals , and for railroad building . Motion pictures of the Panama Canal , and other construction work , have shown how , in a single charge , 10,000 or 20,000 pounds of dynamite have been exploded . But in the near vicinity of ...
Page 64
... coal mines . blast millions of pounds annually , and yet Penn- sylvania leads , by far , all the States for ex- plosive consumption . The use of explosives is constantly embracing a larger field , and the methods of blasting are ...
... coal mines . blast millions of pounds annually , and yet Penn- sylvania leads , by far , all the States for ex- plosive consumption . The use of explosives is constantly embracing a larger field , and the methods of blasting are ...
Contents
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749 | |
816 | |
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