 | Henry Kater, Dionysius Lardner - Mechanics - 1830 - 602 pages
...of the tool, which is always diminished by the same cause. There is, therefore, a practical limit to the increase of the power, and that degree of sharpness...strength requisite for the purpose to which it is to he applied. In tools intended for cutting wood, the ingle is generally about 30°. For iron it is from... | |
 | Henry Kater, Dionysius Lardner - Mechanics - 1831 - 390 pages
...of the tool, which is always diminished by the same cause. There is, therefore, a practical limit to the increase of the power, and that degree of sharpness...iron it is from 50° to 60° ; and for brass, from 83° to 90°. Tools which act by pressure may be made more acute than those which are driven by a blow... | |
 | Dionysius Lardner - Science - 1846 - 580 pages
...of the tool, which is always diminished by the same cause. There is, therefore, a practical limit to the increase of the power, and that degree of sharpness...brass, from 80° to 90°. Tools which act by pressure maybe made more acute than those which are driven by a blow ; and, in general, the softer and more... | |
 | Denison Olmsted - Physics - 1846 - 454 pages
...of the tool, which is always diminished by the same cause. There is, therefore, a practical limit to the increase of the power, and that degree of sharpness...to the tool, which is consistent with the strength requU site for the purpose to which it is to be applied. In tools intended for cutting wood, the angle... | |
 | Daniel Adams - Arithmetic - 1849 - 142 pages
...the wedge is made more or less acute, according to the purpose to which it is to be applied. In tools for cutting wood, the angle is generally about 30°...from 50° to 60° ; and for brass, from 80° to 90°. In general, the softer the substance to be divided is, the more acute may be the angle of the wedge... | |
 | Dionysius Lardner - Astronomy - 1849 - 594 pages
...of the tool, which is always diminished by the same cause. There is, therefore, a practical limit to the increase of the power, and that degree of sharpness only is to he given to the tool which is consistent with the strength requisite for the purpose to which it is... | |
 | Daniel Adams - Measurement - 1850 - 144 pages
...the wedge is made more or less acute, according to the purpose to which it is to be applied. In tools for cutting wood, the angle is generally about 30°...50° to 60° ; and for brass, from 80° .to 90°. In general, the softer the substance to be divided is, the more acute may he the angle of the wedge... | |
 | Denison Olmsted - Physics - 1851 - 492 pages
...of the tool, which is always diminished by the same cause. There is, therefore, a practical limit to the increase of the power, and that degree of sharpness...requisite for the purpose to which it is to be applied. ID tools intended for cutting wood, the angle is generally about 30° ; for iron it is from 50 to 60... | |
 | Oliver Byrne - Mechanics - 1853 - 196 pages
...to vary in diiferent tools ; in those used for cutting wood it is generally about 30° ; for cutting iron, it is from 50° to 60° ; and for brass from 80° to 90°. 85. Another variety of moveable inclined plane, commonly regarded as the sixth and last simple machine,... | |
 | Charles Tomlinson - Mechanics - 1854 - 192 pages
...to vary in different tools ; in those used for cutting wood it is generally about 30° ; for cutting iron, it is from 50° to 60°; and for brass, from 80° to 90°. 85. Another variety of moveable inclined plane, commonly regarded as the sixth and last simple machine,... | |
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In determining this, two things are to be considered — the mechanical power, which is increased by diminishing the angle of the wedge ; and the strength of the tool. which is always diminished by the same cause. There is, therefore, a practical limit... 
