Chicago: Electrician Publishing Company, 1906. Sixth edition. Hardcover. Twenty-fourmo [15 cm] Blue cloth with a gilt stamped title and blind stamped borders on the front cover. Very good. The extremities are gently bumped and rubbed. The rear cover has a handful of small, light stains. The front endsheet has a contemporary owner's notation, and it has two short cracks along the hinge. The rear endsheet is cracked along the hinge, and the rear free endsheet is stained. Else, the pages are tanned, but very clean. Item #35723
With forty-two illustrations and five tables. F. B. Badt was the Late First Lieutenant Royal Prussian Artillery. Contemporary electrical adds at the back of the book. With 4 charts in the pocket at the rear. By the fourth edition, a few changes in the text had been made, and one or two trivial inaccuracies has been corrected.