 | George Drysdale Dempsey - Bridges, Iron and steel - 1850 - 72 pages
...inches square, was placed on supports about 14 feet asunder. A heavy ball was suspended by a wire 18 feet long from the roof, so as to touch the centre...horizontal blow upon the bar, the magnitude of which (ze the blow) could be adjusted at pleasure, either by varying the size of the ball or the distance... | |
 | Industrial arts - 1850 - 560 pages
...inches square, was placed on supports about 14 feet asunder. A heavy ball was suspended by a wire 18 feet long, from the roof, so as to touch the centre...releasing it, it could be made to strike a horizontal bloir upon the bar, the magnitude of which could be adjusted at pleasure either by varying the size... | |
 | William Laxton - Architecture - 1850 - 452 pages
...inches square, was placed on supports about 14 feet asunder. A heavy ball was suspended by a wire 18 feet long, from the roof, so as to touch the centre...right angles to the length of the bar in the manner or a pendulum to any required distance, and suddenly releasing it, it could be made to strike a horizontal... | |
 | United States. Congress. Senate - United States - 1852 - 576 pages
...was placed on supports, about fourteen feet asunder. A heavy ball was suspended by a wire eighteen feet long from the roof, so as to touch the centre...blow upon the bar; the magnitude of which could be regulated at pleasure, either by varying the size of the ball or the distance from which it was released.... | |
 | United States. Patent Office - Patents - 1852 - 854 pages
...was placed on supports, about fourteen feet asunder. A heavy ball was suspended by a wire eighteen feet long from the roof, so as to touch the centre...angles to the length of the bar, in the manner of a pefldulum, to any required distance, and suddenly releasing it, it could be made to strike a horizontal... | |
 | United States. Patent Office - Patents - 1852 - 534 pages
...was placed on supports, about fourteen feet asunder. A heavy ball was suspended by a wire eighteen feet long from the roof, so as to touch the centre...drawing this ball out of the vertical position at righj. angles to the length of the bar, in the manner of a pendulum, to any r equired distance, and... | |
 | Bindon Blood Stoney - Girders - 1869 - 378 pages
...inches square, was placed on supports about 14 feet asunder. A heavy ball was suspended by a wire 18 feet long, from the roof, so as to touch the centre of the aide of the bar. By drawing this ball out of the vertical position at right angles to the length of... | |
 | Industrial arts - 1851 - 472 pages
...inches square, was placed on supports about 14 feet asunder. A heavy ball was suspended by a wire 18 feet long, from the roof, so as to touch the centre...the bar. By drawing this ball out of the vertical position'at right angles to the length of the bar in the manner of a pendulum, to any required distance,... | |
 | United States. Congress. House - United States - 548 pages
...was placed on supports, about fourteen feet asunder. A heavy ball was suspended by a wire eighteen feet long from the roof, so as to touch the centre...blow upon the bar; the magnitude of which could be regulated at pleasure, either by varying the size of the ball or the distance irorn which it was released.... | |
 | Theodore Nicholas - Science - 2006 - 656 pages
...inches square, was placed on supports about 14 feet asunder. A heavy ball was suspended by a wire 18 feet long, from the roof, so as to touch the centre of the side of the bar. By drawing this bar out of the vertical position at right angles to the length of the bar, in the manner of a pendulum,... | |
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A heavy ball was suspended by a wire eighteen feet long from the roof, so as to touch the centre of the side of the bar. By drawing this ball out of the vertical position at right angles to the length of the bar, in the manner of a pendulum, to any required... 