Telephony
BALLANTINE (Stuart)
BALLANTINE (Stuart) RADIO TELEPHONY FOR AMATEURS
£12.00
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BALLARD (William C.)
BALLARD (William C.) ELEMENTS OF RADIO TELEPHONY
£16.00
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ECCLES (W.H.)
ECCLES (W.H.) WIRELESS TELEGRAPHY AND TELEPHONY A Handbook Of Formulae, Data And Information.
£90.00
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ERSKINE-MURRAY (James)
ERSKINE-MURRAY (James) WIRELESS TELEPHONES And How They Work.
£15.00
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SCHWARTZE (Theodor)
SCHWARTZE (Theodor) TELEPHON Mikrophon und Radiophon. Mit besonderer Rücksicht auf ihre Anwendung in der Praxis. Elektro-technische Bibliothek, Band VI.
£60.00
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