Published by Russell Brothers, New York / Baltimore, 1879
Seller: Dave's Books, New Durham, NH, U.S.A.
First Edition
Original Wraps. Condition: Very Good. 1st Edition. Booklet starts out: "Farmer, pioneer in the practical application of electricity has invented an automatic lamp . . . whose action is controlled by a regulator or relay, consisting of an axial magnet ". 1879 is the date applied to Edisons incandescent electric bulb. 17 pp. Orig. printed wraps. very good or better. From the estate of Francis Blake, one of the co-inventors of the telephone. Size: 8vo - over 7¾" - 9¾" tall. Book.