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The Cathode Ray Oscillograph: A Description of the Structure and Methods of Operation of the Cathode Ray Oscillograph, with a History of Its Development

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Condenser and Carbon Microphones: A Discussion of the Construction and Transmission Characteristics of Condenser and Carbon Microphones Used Extensively in Sound Recording for Motion Pictures

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Development of a Handset for Telephone Stations: A Discussion of Some of the Problems Encountered in the Design of the Present Handset and a Description of Their Solution

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The Development of the Microphone: An Outline of the Inventions Leading to the Development of the Present High-Quality Microphone

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Distribution of Radio Waves from Broadcasting Stations Over City Districts

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An Efficient Loud Speaker at the Higher Audible Frequencies: A Description of a Loud Speaker Designed for Use as an Adjunct to Existing Types to Permit Efficient Radiation at the Higher Audible Frequencies

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Letter to Professor N. C. Little, Department of Physics, Bowdoin College

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A Moving Coil Microphone for High Quality Sound Reproduction: A Description of a Microphone of the Moving Coil Type Which Responds Uniformly to a Wide Range of Frequencies

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Moving-Coil Telephone Receivers and Microphones: A Discussion of the Principle of Design of High-Quality Head Receiver and Microphone of the Moving-Coil Type

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A Null-Reading Astatic Magnetometer: A Description of an Instrument of Novel Design for Measuring the Magnetic Properties of Small Amounts of Materials in the Form of Fine Wires or Thin Strips or of Thin Deposits on Non-Magnetic Materials

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The Receiving Problem in Transatlantic Radio Telephony

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Some Studies in Radio Broadcast Transmission: A Study of the Fading and Distortion of Radio Signals and a Discussion of the Effects of the Variation of Carrier-Frequency

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