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1 to 9 of 9
  • Year: 1931  
  • Terms: C5-D3  
  • Terms: photography -- equipment  
  • Terms: C2-A1  
  • Terms: Sound Reproduction  
  • Terms: C5-E2  
  • Terms: C3-G1  
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Published

Bell Telephone Laboratories, NY (3)
W. M. Welch Scientific Company, Chicago (2)
Ward's Natural Science Establishment, Inc., Rochester, NY (2)
Audio Devices, Inc., New York (1)
Thomas Murby & Co., London (1)

Year *

1931 (9)

Thesaurus *

Sound Reproduction (3)
C3-G1 (3)
C5-D3 (3)
Microphones (2)
Motion Pictures (2)
Sound Recording (2)
Physical Apparatus (2)
gems -- identification (2)
C5-E2 (2)
Microphone (1)
Magnetic Recording (1)
geology -- models (1)
scientific instruments -- educational (1)
C3-G2 (1)

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

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Fundamentals of Magnetic Recording

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Models for the teaching of Geology and Crystallography (and related materials)

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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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New Demonstration and Experimental Apparatus for Physics Laboratories

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Scientific Instruments Laboratory Apparatus and Supplies for Physics, Chemistry and General Science

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The Tully Refractometer

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The Tully Refractometer

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