Knihy v angličtině > The A B C of Vacuum Tubes in Radio Reception; an Elementary and Practical Book on the Theory and Operation of Vacuum Tubes as Detectors and Amplifiers
The A B C of Vacuum Tubes in Radio Reception; an Elementary and Practical Book on the Theory and Operation of Vacuum Tubes as Detectors and Amplifiers
Plný názevThe A B C of Vacuum Tubes in Radio Reception; an Elementary and Practical Book on the Theory and Operation of Vacuum Tubes as Detectors and Amplifiers