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 437
sizes, pressures and for three different lifts. The dischargecapacities are proportional to the lifts, so that intermediate values .may be obtained from the table by interpolation. P = absolute boiler pressure or gage pressure plus 14.7 lbs.per sq. in.,1100 = the number of B.t.u. required to change… … I 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Per cent. SavedFrom the final temperature at the left trace horizontally to the diagonal leading from the initial temperature and then down where read the percentage of saving.Fig. 26.—The saving due to heating feed water for steam boilers.…
Machine design
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