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" The thickness of the teeth in each of the lines is varied one-tenth of an inch. The breadth of the teeth is always four times as much as their thickness. The strength of the teeth is ascertained by multiplying the square of their thickness into their... "
An Essay on the Teeth of Wheels: Comprehending Principles, and Their ... - Page 139
by Robertson Buchanan - 1808 - 164 pages
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Lectures on Select Subjects in Mechanics, Hydrostatics, Hydraulics ..., Volume 2

James Ferguson - Astronomy - 1823 - 444 pages
...of the teeth in each of the lines is varied one tenth of an inch. The breadth of the teeth is always four times as much as their thickness. The strength...found by multiplying the thickness of the teeth by 2. 1. The number that represents the strength of the teeth, will also represent the number of horses'...
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Lectures on Select Subjects in Mechanics, Hydrostatics, Hydraulics ..., Volume 2

James Ferguson - Astronomy - 1823 - 418 pages
...of the teeth in each of the lines is varied one tenth of an inch. The breadth of the teeth is always four times as much as their thickness. The strength...and tenths, &c. The pitch is found by multiplying 1 the thickness of the teeth by 2. 1. The number that represents the strength of the teeth, will also...
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The Mechanic's Calculator, Or Workman's Memorial Book ...

William Grier - Mechanical engineering - 1832 - 366 pages
...of the teeth in each of the lines is vnried one-tenth of an inch. The breadth of the teeth is always four times as much as their thickness. The strength...found by multiplying the thickness of the teeth by 2. 1. The number that represents the strength of the teeth, will also represent the number of horses•...
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The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ...

William Grier - Mechanical engineering - 1836 - 384 pages
...of the teeth in each of the lines is varied one-tenth of an inch. The breadth of the teeth is always four times as much as their thickness. The strength...found by multiplying the thickness of the teeth by 2-1. The number that represents the strength of the teeth, will also represent the number of horses-...
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The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ...

William Grier - Mechanical engineering - 1842 - 320 pages
...of the teeth in each of the lines is varied one-tenth of an inch. The breadth of the teeth is always four times as much as their thickness. The strength...found by multiplying the thickness of the teeth by 2-1. The number that represents the strength of the teeth, will also represent the number of horses-...
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The Modern Mechanic: A Scientific and Calculator, Comprising Rules and ...

William Grier - Mechanical engineering - 1861 - 316 pages
...of the teeth in each of the lines is varied one-tenth of an inch. The breadth of the teeth is always four times as much as their thickness. The strength...found by multiplying the thickness of the teeth by 2'1. The number that represents the strength of the teeth, will also represent the number of horses'...
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The Second Course of Orthographic Projection: Being a Continuation of the ...

William S. Binns - Mechanical drawing - 1869 - 248 pages
...case in practice to which all rules that deserve that name ought to apply. Mr. Roberton-s rule is this :—The strength of the teeth is ascertained by multiplying the square of their thickness by their breadth, taken in inches and parts of an inch; and the number that represents the strength...
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An Elementary Treatise on Orthographic Projection: Being a New Method of ...

William S. Binns - Mechanical drawing - 1886 - 272 pages
...practice to which all rules that deserve that name ought to apply. Mr. Eoberton-s rule is this : — The strength of the teeth is ascertained by multiplying the square of their thickness by their breadth, taken in inches and parts of an inch ; and the number that represents the strength...
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