Very Good. No Jacket. 4to-over 9¾"-12" tall. Pub by Popular Radio, Inc., 1924, stated 2nd Edition. VG cond. hardcover, no dj. Black cloth over bds w/ silver dec & lettering on cover. Very clean. Binding slightly tender here & there, but holding very well throughout. 100pp. Book is square, straight, tight & very clean, overall VG cond. Same or next day shipping. Please email any questions.
Good/No Jacket, as Issued. Rare hardcover copy of Popular Radio's first handbook. (Popular Radio Handbook No. 1). 200 pages, large hardcover, approx. 11 inches by 8 inches, in black cloth with silver lettering and design to front cover. Illustrated throughout with technical drawings. Pages show foxing/discoloring to paper from age, and cloth is torn at spine ends, otherwise a good solid and clean volume. A book that presented to the general public exactly how to build your own radio receiving set, how to install it and how to operate it.
The Cockaday Circuit is a very clever early Audion broadcast receiver. Its specialty is the arrangement of the 4 coils used. It is worthwhile to study this concept, because to this very day there are existing various misleading opinions how it may work.
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