Rankine, William John Macquorn, 1820-1872, Millar, William J, Tait, Peter Guthrie, 1831-1901 · London, C. Griffin and company · leaf 419
and Ihave by these methods obtained formulae which are curious in a mathematical point ofview; but owing to our ignorance of the absolute values and laws of variation of thecoefficients of conductivity contained in these formulae, they are incapable of beingusefully applied; and I therefore for the… … -X Fig. 17. Qj Q, cutting the diagram in A and B, and Q2Q2 cutting it in C and D.Then because, during the whole of the change from D through A to B,the Avorking substance is receiving heat, and during the whole of thechange from B through C to D, emitting heat, the regenerator can haveno action…
