The Technical World Magazine, Volume 6Technical World Company, 1906 |
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Page 92
... iron , regardless of size or shape , may be taken ; and if the wire of an ordinary hanging incandescent bulb be wound about it , the iron , when the electro cur- rent is turned on , will become a magnet . Turn off the current , and the ...
... iron , regardless of size or shape , may be taken ; and if the wire of an ordinary hanging incandescent bulb be wound about it , the iron , when the electro cur- rent is turned on , will become a magnet . Turn off the current , and the ...
Page 151
... iron , and are utilized principally for the protection of coast- defense guns . Another form of turret manufactured at Gruson is provided with a steel top and a glacis armor of chilled cast iron or cast steel . Armor for the protection ...
... iron , and are utilized principally for the protection of coast- defense guns . Another form of turret manufactured at Gruson is provided with a steel top and a glacis armor of chilled cast iron or cast steel . Armor for the protection ...
Page 443
... iron may be softened by putting sulphur on the place to be penetrated , and then heating the iron to a glow . Cracks in Concrete Wall Why is it that a concrete wall in which iron posts are set is sometimes cracked around the posts ? -H ...
... iron may be softened by putting sulphur on the place to be penetrated , and then heating the iron to a glow . Cracks in Concrete Wall Why is it that a concrete wall in which iron posts are set is sometimes cracked around the posts ? -H ...
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