IMAGINARY DIMENSIONS IN GEOMETRY: "A Sixth Memoir Upon Quantics" (Philosophical Transactions of the Royal Society of London, Vol. 149 for the Year 1859, pp. 61-90) de Cayley, Arthur - 1859

London: Royal Society of London, 1859. First Edition. Hardcover. Very Good. Arthur Cayley (1821-1895) paper describes imaginary dimensions in geometry, builds up on his three papers, "Memoir on the Theory of Matrices" & "A Memoir on the Automorphic Linear Transformation of Bipartite Quadric Function" in our #27536.
Also contains John Gassiot's "On the Stratifications in Electrical Discharges, as Observed in Torricellian and other Vacua.- Second Communication" (pp. 137-160) and William Farr's "On the Construction of Life-Tables, Illustrated by a New Life-Table of the Healthy Districts of England" (pp. 837-878). vi, [4], 16, [1]-930 pp. 4to. Library binding, tan leather spine with gold embossed titling. Interiors clean, ex-library stamp on title page, and occurring sporadically within. Numerous folding plates that illustrate articles. Pages were trimmed slightly when rebound.