Decibel.
A first course in wireless : being a reprint in book form of a series of articles which appeared in World radio under the title "The Radio circle: for beginners only," / by Decibel. - 2d ed. - London : Sir I. Pitman & Sons, c1945. - vii, 221 p. : ill. ; 19 cm.
Includes index.
43000255
Radio.
TK6550 / .D28 1942
621.384 / DEF
A first course in wireless : being a reprint in book form of a series of articles which appeared in World radio under the title "The Radio circle: for beginners only," / by Decibel. - 2d ed. - London : Sir I. Pitman & Sons, c1945. - vii, 221 p. : ill. ; 19 cm.
Includes index.
43000255
Radio.
TK6550 / .D28 1942
621.384 / DEF