The Technical World Magazine, Volume 7Technical World Company, 1907 |
From inside the book
Results 6-10 of 52
Page 20
... coal mining de- partment of a large Eastern railroad re- ports to the Commissioner of Labor : " Breaker boys at the coal mines re- ceive from five to ten cent ; an hour ; How terribly dangerous this work is , has been borne out by the ...
... coal mining de- partment of a large Eastern railroad re- ports to the Commissioner of Labor : " Breaker boys at the coal mines re- ceive from five to ten cent ; an hour ; How terribly dangerous this work is , has been borne out by the ...
Page 60
... coal , corrodes the steel very rapidly and the life of such a structure is short . If the steel is ade- quately protected against corrosion by concrete , the cost is considerably in ex- cess of a steel structure , but far greater ...
... coal , corrodes the steel very rapidly and the life of such a structure is short . If the steel is ade- quately protected against corrosion by concrete , the cost is considerably in ex- cess of a steel structure , but far greater ...
Page 82
... coal supply will not en- able a boat to make a cruise of more than 400 miles without recoaling . British Cross the Seas AN N interesting movement in the com- mercial world is the recent establish- ment in the United States of branch fac ...
... coal supply will not en- able a boat to make a cruise of more than 400 miles without recoaling . British Cross the Seas AN N interesting movement in the com- mercial world is the recent establish- ment in the United States of branch fac ...
Page 108
... coal and the other end extending nearly to the top of the sifter . There is no shak- ing nor any dust . Ashes are emptied into the top of the sifter , the coal being Floor Level carried over the sieve of . the coal box while the ashes ...
... coal and the other end extending nearly to the top of the sifter . There is no shak- ing nor any dust . Ashes are emptied into the top of the sifter , the coal being Floor Level carried over the sieve of . the coal box while the ashes ...
Page 127
... coal and afford a cheap outlet for the immense oil products of this region . The canal when com- pleted will be in easy reach of the largest oil fields of the world . The lumber industry of Texas and Louisiana would be greatly benefited ...
... coal and afford a cheap outlet for the immense oil products of this region . The canal when com- pleted will be in easy reach of the largest oil fields of the world . The lumber industry of Texas and Louisiana would be greatly benefited ...
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