New York: Macmillan, 1937.
Frontispiece portrait and 9 additional plates. x, 451pp. thick 8vo, brown cloth (neatly inked name inside cover; spine a bit rubbed at foot with gilt lettering on spine dull, otherwise a very good+ copy). New York: Macmillan, 1937. First American edition.
Thomson, 1856-1940, master of Trinity College, Cambridge, was awarded the 1906 Nobel prize for physics.