Item 28108CORRELATION COEFFICIENT: "Correlated Averages" & "The Law of Error and Correlated Averages" (The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science [Fifth Series], Vol. XXXIV, pp. 190-204, 428-438 & 518-526)
London: Taylor and Francis, 1892. First Edition. Three Quarter Leather. vii, [1], 533 pp. 8vo. 10 plates, all folding. Rebound in an exquisite three quarter leather binding with brown leather spine with four raised bands, gold embossed titling on black leather patch titles, marbled paper insets to cover boards. Only.....

