Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 487
end ordinate being zero. The bredth of each space is therefore ^- and one-third of this, as called for by 3-5the rule, is 7^777. The area of the figure is therefore: 3-5 X40-92 3X14 3-S ^^ [-9+0.-F4( i.4oH-i.6i-fi.46-l-.97 + -69+.5o+.32) +2 ( 1.59-!- 3X14= 3.409 sq. ins. The mean ordinate is equal… … Fig. is Figs. 14 and 15.—The area of irregular figures.
Machine design
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