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Page 78
These ponderous masses of metal are driven at a speed of 75 revolutions per minute by triple expansion engines with four cylinders , the high pressure cylinder being 54 inches in diameter , the intermediate 84 and the two low pressure ...
These ponderous masses of metal are driven at a speed of 75 revolutions per minute by triple expansion engines with four cylinders , the high pressure cylinder being 54 inches in diameter , the intermediate 84 and the two low pressure ...
Page 340
One stick of the explosive would break a plate half an inch thick , while to break a plate an inch thick two sticks were ... An eyebar 2 inches thick and 10 inches wide was cut through in one minute and fifty seconds with the flame .
One stick of the explosive would break a plate half an inch thick , while to break a plate an inch thick two sticks were ... An eyebar 2 inches thick and 10 inches wide was cut through in one minute and fifty seconds with the flame .
Page 412
Roots that are above ground must also be covered to a depth of several inches . The fire will follow along them underground way below plowing depth and destroy them . Two advantages this method has over other methods : there is no big ...
Roots that are above ground must also be covered to a depth of several inches . The fire will follow along them underground way below plowing depth and destroy them . Two advantages this method has over other methods : there is no big ...
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