International radio tube encyclopaedia /
Babani, Bernard B.
International radio tube encyclopaedia / Bernard B. Babani - 3d ed. - London : Bernards , 1958. - 48 p. : ill. ; 25 cm. - Bernards Radio Manuals, no. 157 .
Introductory matter in English, French, and other languages. [Supplement no. 1] A comprehensive radio valve guide. Book 4. [Inter national ed.] London, Bernards, 1960.
Electron tubes--------
621.384132 BAB
International radio tube encyclopaedia / Bernard B. Babani - 3d ed. - London : Bernards , 1958. - 48 p. : ill. ; 25 cm. - Bernards Radio Manuals, no. 157 .
Introductory matter in English, French, and other languages. [Supplement no. 1] A comprehensive radio valve guide. Book 4. [Inter national ed.] London, Bernards, 1960.
Electron tubes--------
621.384132 BAB