 | 1822 - 666 pages
...this mechanical advantage, a screen of boards is fixed up in an inclined position above the wheel, in order to prevent the prisoners from climbing or...original, however, both sides are closely boarded up, so that the prisoners have no access to the interior of the wheel, and all risk of injury whatever... | |
 | 1822 - 394 pages
...this mechanical advantage, a screen of boards is fixed up in an inclined position above the wheel, in order to prevent the prisoners from climbing or...been done. In the original, however, both sides are clbsely boan'rd up, so that the prisoners have no access to the interior of the wheel, and all risk... | |
 | William Newton - 1822 - 380 pages
...mechanical advantage, a screen of boards is fixed up, in an inclined position, above the wheel, irt order to prevent the prisoners from climbing or stepping...fixed upon this screen, by holding which they retain 4 their upright position upon the revolving wheel; the nearest side of which is exposed to view in... | |
 | 1822 - 386 pages
...mechanical advantage, a screen of boards is fixed up, in an inclined position, above the wheel, irt order to prevent the prisoners from climbing or stepping...the level required. A hand-rail is seen fixed upon tins screen, by holding which they retain; 4 their upright position upon the revolving wheel ; the... | |
 | William Newton, Charles Frederick Partington - Industrial arts - 1822 - 386 pages
...this mechanical advantage, a screen of boards is fixed up, in an inclined position, above the wheel, in order to prevent the prisoners from climbing or...than the level required. A hand-rail is seen fixed ujion tliis •screen, by holding which they reta,iu 4 their upright position upon the revolving wheel... | |
 | Thomas Byerley - 1823 - 528 pages
...this mechanical advantage, a screen of boards is fixed up in an inclined position above the wheel, in order to prevent the prisoners from climbing or...form much more distinctly than could otherwise have heen done. In the original, however, both sides ¡*re closely boarded up, so that the prisoners have... | |
 | John Farmer - New Hampshire - 1823 - 570 pages
...the prisoners from climbing or stepping up higher than the level required. A hand rail is seen fixei upon this screen, by holding which they retain their...plate, in order to represent its cylindrical form in.nh more distinctly than could otherwise have been done. In the original, however, both sides are... | |
 | John Farmer - Local history - 1823 - 526 pages
...this mechanical advantage, n screen of boards' is fixed up in an inclined position above the wheel, in order to prevent the prisoners from climbing or stepping up higher than the level required. A hand rail is seen fixed upon this screen, by holding which they retain their upright position upon... | |
 | Jacob Bailey Moore - Belknap, Jeremy - 1823 - 564 pages
...this mechanical advantage, a screen of boards is fixed up in an inclined position above the wheel, in order to prevent the prisoners from climbing or stepping up higher than the level required. A hand rail is seen fixed upon this screen, by holding which they retain their upright position upon... | |
 | 1823 - 494 pages
...this mechanical adYantage, a screen of boards is fixed up in an inclined position above the wheel, in order to prevent the prisoners from climbing or stepping up higher than the level required. Л hand-rail is seen fixed upon this screen, by holding which they retain their upright position upon... | |
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... wheel. Their weight, the first moving power of the machine, produces the greatest effect when applied upon the circumference of the wheel, at or near the level of its axle ; to secure, therefore, this mechanical advantage, a screen of boards is fixed... 
