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Experiments with cathode ray tubes, views 1-3

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Order Number	00035480
Title	Experiments with cathode ray tubes, views 1-3
Collection ID	Security Pacific National Bank Collection
Location/Accession	Pasadena-Universities and colleges-California Institute of Technology.; N-005-778.1 4x5; N-005-778.2 4x5; N-005-778.3 4x5
Physical Description	3 photographs:b&w
Description	Three different views. Students at the California Institute of Technology in the late 1920s or early 1930s play the harmonica into a radio microphone as part of an experiment with cathode ray tubes. View 1: a young woman plays the harmonica into the radio microphone. View 2: a young man plays the harmonica into the radio microphone. View 3: two young men experiment with the microphone and cathode ray tubes.
Subject	California Institute of Technology. Universities and colleges--California--Pasadena. Scientific apparatus and instruments. Cathode ray tubes. Pasadena (Calif.).
Format	Photographic prints
Reproduction Information	Images available for reproduction and use. Please see the Ordering & Use page at http://tessa.lapl.org/OrderingUse.html for additional information.
Sub-Collection Name	Security Pacific National Bank Photo Collection