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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 ... - Σελίδα 139
των Robertson Buchanan - 1808 - 164 σελίδες
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Lectures on Select Subjects in Mechanics, Hydrostatics, Hydraulics ..., Τόμος 2

James Ferguson - 1823 - 444 σελίδες
...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'...

Lectures on Select Subjects in Mechanics, Hydrostatics, Hydraulics ..., Τόμος 2

James Ferguson - 1823 - 418 σελίδες
...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...

The Mechanic's Calculator, Or Workman's Memorial Book ...

William Grier - 1832 - 366 σελίδες
...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•...

The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ...

William Grier - 1836 - 384 σελίδες
...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-...

The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ...

William Grier - 1842 - 320 σελίδες
...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-...

The Modern Mechanic: A Scientific and Calculator, Comprising Rules and ...

William Grier - 1861 - 316 σελίδες
...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'...

The Second Course of Orthographic Projection: Being a Continuation of the ...

William S. Binns - 1869 - 248 σελίδες
...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...

An Elementary Treatise on Orthographic Projection: Being a New Method of ...

William S. Binns - 1886 - 272 σελίδες
...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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