Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 170
Fig. 63 the worthingtox packed-plunger pumpScranton Pattern—For 250 Pounds Water Pressure packing for this purpose and one that will stand both hotand cold water service is made of pure canvas cut in stripsof the required width, y2, %, % inches, etc., and laid to-gether with a water proof cement…
