Editore: National Radio Institute, Washington DC, 1937
Da: Book Booth, Berea, OH, U.S.A.
Paperback. Condizione: Good. Covers have minor wear, ink stamp and soil. Corners bumped. Stapled binding tight. No writing. 28 pages. A lesson text of the NRI course in training to become a radiotrician & teletrician. This one is on input devices and speech analysis. Black and white illustrations. Size: 5.75 x 8.5.
Editore: National Radio Institute
Da: Nerman's Books & Collectibles, Pembina, ND, U.S.A.
Manoscritto / Collezionismo cartaceo
A near fine softcover. 8 5/8" x 5 3/4". 28 pages. Number 50RX. Copyright 1932, 1936 edition.
Editore: National Radio Institute, Washington, D.C., 1936
Da: Browse Awhile Books, Tipp City, OH, U.S.A.
Stapled Pictorial Soft Cover. Condizione: Very Good. Booklet 50RX.