| 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'... | |
| 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... | |
| 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•... | |
| 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-... | |
| 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-... | |
| 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'... | |
| 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... | |
| 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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