London: Harrison & Sons, 1885. Three Quarter Leather. First Edition. ix, , 506, xl pp. 8vo. Black leather spine with five raised bands, green leather patch title with gold embossed titling, library call number in white ink at base, marbled paper insets to boards. Ex-Library bookplate on front pastedown. Very clean within. Very Good.
William Henry Preece (1834–1913), confirmed Thomas Edison's experiments demonstrating thermionic emission, and coined the term "Edison Effect."