London and New York: MacMillan and Co. 1891. First English Edition. xxxiii, , 976 pages. Original blue cloth with title and decorations blind stamped on front cover, and titles in gilt on spine. Spine panel still bright and readable, minor wear at the corners. Upper front corner bumped affecting first dozen pages or so. Textblock edges mildly soiled but overall a bright copy. Internally bright and clean with minor spotting to first few and last few pages. Presents very nicely on the shelf. Near Fine. Cloth. 
Over 600 illustrations, many of scientific instruments or apparatus used in demonstration of the concepts described. A fascinating view into the thoughts of the times. A translation of the work from the French edition by Amedee conducted mostly by Mr. Colman Starling and Professor R. Mullineux Walmsley. The editor Thompson revised and rewrote the chapters on Dynamo-electric machines and the Telephone "in accordance with modern knowledge." Color frontispiece of the Aurora Borealis.