Twentieth century hand-book for steam engineers and electricians with questions and answers; a practical non-technical treatise .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 306
nk 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 water 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…
