Inside Out Library
Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 849
20 6 a 12 16 19 25 31 37 43 49 56 62 74 86 22 5 8 11 14 16 22 27 33 39 43 49 54 65 76 24 7 10 12 1 15 20 25 30. 35 40 45i 49 59 69 26 an 14 18 23 271 32 371 4l 46 55 64 28 4 6 13 22 26 30 35 40 43 52 60 30 .. 8 10 12 17 21 25 29 33 37 41 49 58 35 y 11 16 19 23 26 30 34 38 45 53 40 5 7 15 18 21 25|… … TABLE SHOWING THE PLACE OF THE CENTRES UPON THE SCALE. CENTRES FOR THE FACES OF THE TEETH. PITCH IN INCHES AND PARTS. Numberof teeth. i 3 i S } 1 H H 11 2 24 2* 3 3J 12 1 2 2 3 4 5 6 7 9 10 11 12 15 17 IS ..• ... 3 • •• 7 8 10 11 12 14 17 19 20 2 ... 4 5 6 8 9 11 12 14 15 18 21 30 ... 3 4 7 9 10 12…Mechanical engineering
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