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Books Bücher 1 - 10 von 14 in In determining this, two things are to be considered — the mechanical power, which...
" 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... "
An introduction to natural philosophy: designed as a text book, for the use ... - Seite 250
von Denison Olmsted - 1838
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Mechanics

Kater (Captain, Henry), Dionysius Lardner - 1830 - 342 Seiten
...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...
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A Treatise on Mechanics

Kater (Captain, Henry), Dionysius Lardner - 1831 - 287 Seiten
...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...
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Popular Lectures on Science and Art: Delivered in the Principal ..., Band 2

Dionysius Lardner - 1846
...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...
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A Compendium of Natural Philosophy: Adapted to the Use of the General Reader ...

Denison Olmsted - 1846 - 420 Seiten
...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...
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Mensuration, Mechanical Powers and Machinery: The Principles of Mensuration ...

Daniel Adams - 1849 - 128 Seiten
...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...
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Popular Lectures on Science and Art: Delivered in the Principal ..., Band 2

Dionysius Lardner - 1849
...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...
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mensuration mechanical powers and machinery

1850
...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...
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A Compendium of Natural Philosophy: Adapted to the Use of the General Reader ...

Denison Olmsted - 1851 - 456 Seiten
...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...
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Mechanics: Their Principles and Practical Applications

Oliver Byrne - 1853 - 182 Seiten
...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,...
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Rudimentary Mechanics: Being a Concise Exposition of the General Principles ...

Charles Tomlinson - 1854 - 172 Seiten
...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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