Radio Manufacturers of the 1920's, Volume 2

advertising aerial amplifier antenna apparatus audio August Bakelite batteries beautiful Broadcast building built cabinet Chicago circuit City coil Company complete condensers connection Console dealer demonstration designed detector dial direct distance Electric engineers equipment factory finished five four Freed Freed-Eisemann Freshman give Grebe Grid July June Kellogg Kennedy King Kolster length less license List loud speaker Magnavox mahogany manufacturing March meters Michigan Miraco Model mold Music Neutrodyne offer operation Ozarka panel patent perfect Philco Pilot plant Price production Radio radio frequency radio set range receiver reception Retailing selectivity sell Send Sept shielded Ship single socket sold stages standard stations Street supply tion tone transformer tubes tuning turn unit volume walnut wave West wire World Write York