Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 306
ank at the top end of the shaftit has been raised to the zero mark at the top of the scale.(See Fig. 102.) One pound of^ater at 39.1° F. is pouredinto the copper cylinder, which is then closed and the weight Heat 293 released. At the moment the weight passes the 10 footmark on the scale^ the…
