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Description
Western Electric 2-A photoelectric cell. "54379" engraved on outside. Silvered interior. Early potassium hydride photocell for use in optical sound track reproduction. See http://lampes-et-tubes.info/pc/pc081.php?l=e for more information.
Type
image
Identifier
FC63DCE0-6FC1-47D9-BB45-215732925361 2003-1-855
Subject
Photoelectric cells Western Electric Company Sound equipment & supplies Sound recordings Nineteen twenties
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