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Image / Spike microphone

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Title
Spike microphone
Date Created and/or Issued
1955-1975
Contributing Institution
History San Jose Research Library
Collection
History San Jose Online Catalog
Rights Information
Please contact the contributing institution for more information regarding the copyright status of this object.
Description
Spike microphone for surveillance, to be inserted into drilled hole in wall. Connecting wire with phono jack.
Type
image
Identifier
73E24A39-F3E3-4C5F-9607-344140252810
2003-1-658
Subject
Surveillance
Spying
Microphones

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