The machinist and tool maker's instructor, containing an easy method of calculating and laying out difficult work in the machine shop .. (1896)
Genung, Edward. [from old catalog] · New York [Press of J. B. Savage, Cleveland] · leaf 28
ions to-gether ; if the figures given were inches, the answer would beinches, and if they were feet, the answer would be feet, etc.If the answer obtained were feet, multiplying by 1728 wouldgive the number of cubic inches. Figure 5 therefore has 75 cubic inches. Now Figure 7 is a round piece of 4 u… … 42 = 44 16 .785416 47124 7854 12.5664 Always remember to cut off as many figures in the answeras there are decimals, which is four in this case. Now there 24 THE MACHINIST AND TOOX. MAKERS INSTRUCTOR. are a little more than twelve and a half inches (12J£), anddividing the seventy-five (75) by the…
Machinery
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