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 25
triangle isalways the side opposite the right angle and is always thelongest side. To find the length of the hypothenuse we pro-ceed as follows: We square the base and perpendicular,separately, and add them together, then extract the squareroot, thus, 22 or 2 times 2 are 432 or 3 times 3 are 9 1300… … ** / A/ / / / / / / / ,/ / ,0° / 1 a ■+--,756 —> THE MACHINIST AND TOOL MAKERS INSTRUCTOR. 21 Example, Figure 2 : Let us call the bottom of the figurethe base, then If = 1.375 : 1.375 1.375 6 87596 25IJ = 1.875, which squared 412 5 1375 equals 3.515625, and both added 1.890 625 3.515 625…
Machinery
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