experimental electricity course twenty lessons de gernsback h w secor (3 résultats)

Hardcover. Etat : Very Good. No Jacket. 1st Edition. Very Good in green cloth.1st Printing. 159pp Thin 8vo. No spine titles.

Hard Cover Linen Boards. Etat : G+. No Jacket. Second Edition. 160 pp, b/w illustrations and photos, the book and contents are clean and solid, the covers are lightly worn, mostly on the spine and corners, and have some light corner creases, there is a .25" x 1.5" blacked out spot on the inside of rear cover, a nice usable copy of this early electrical book.

Hardcover. Etat : Very Good. No Jacket. 1st Edition. Book size about 5 by 9 inches with some 160 pages. Bound in green cloth with front cover decorated and lettered in black. Illustrated with myriad drawings and photos throughout showing some of the most marvelous old electrical devices. Printed on very thin paper. The twenty lessons include: Electric Bells, Buzzers and Annunciators; Primary Batteries and Dry Cells; Storage Batteries; Rectifiers and Transformers; Electrical Wires and Their Calculations; Dynamos and Motors; Experimental Electro-Physics; Electro-Therapeutics; Induction Coils and Geissler Tubes; High Frequency Currents; Electrical Measuring Instruments; and others. Book with light general wear; covers speckled here and there; one page with tiny edge tear; light corner bumping; tiny spine dig. Nice condition for this fragile item. VERY GOOD- Language: eng Language: eng 0.0 Language: eng Language: eng Language: eng.