The Technical World Magazine, Volume 9Technical World Company, 1908 |
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Page 3
... steel plant building at Gary , Indiana . By means of a hereto- fore unthought of extension of the use of the blast - furnace gas , the Indiana Steel Company will save and put to work a power which has been only partly used up to now ...
... steel plant building at Gary , Indiana . By means of a hereto- fore unthought of extension of the use of the blast - furnace gas , the Indiana Steel Company will save and put to work a power which has been only partly used up to now ...
Page 106
... steel from ordinary steel ? -H . S. To tell high - speed steel from ordinary carbon or tool steel hold the piece to be tested on an emery wheel . High - speed steel produces red sparks , while tool steel and machine steel produce white ...
... steel from ordinary steel ? -H . S. To tell high - speed steel from ordinary carbon or tool steel hold the piece to be tested on an emery wheel . High - speed steel produces red sparks , while tool steel and machine steel produce white ...
Page 115
... steel safe deposit vault in the world has just been built at the Bethlehem steel works for a new deposit company in New York . It weighs 1,215 tons , is two stories high and has an elevator and a stairway . The lower vault is 109 feet ...
... steel safe deposit vault in the world has just been built at the Bethlehem steel works for a new deposit company in New York . It weighs 1,215 tons , is two stories high and has an elevator and a stairway . The lower vault is 109 feet ...
Contents
Testing Seeds for the Farm W | 11 |
TABLE | 13 |
First Balloon Flight Across Central Alps | 23 |
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