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Electrodynamic Speaker patent documents
Archive
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Napa County Historical Society
Name/Title
Electrodynamic Speaker patent documents
Entry/Object ID
2015.49.5
Scope and Content
Patent documents for the Electrodynamic Speaker filed April 28, 1920, by Edwin Pridham and Peter Jensen. Location: digital only
Collection
Jensen Collection
Acquisition
Accession
2015.49
Source or Donor
Jensen, Bill
Acquisition Method
Gift
Lexicon
Nomenclature 4.0
Nomenclature Secondary Object Term
Patent
Nomenclature Primary Object Term
Record, Executive
Nomenclature Sub-Class
Government Records
Nomenclature Class
Documentary Objects
Nomenclature Category
Category 08: Communication Objects
Search Terms
Magnavox Loudspeaker,
Patent drawings,
Patents
Archive Details
Date(s) of Creation
Mar 13, 1923
Relationships
Related Person or Organization
Person or Organization
Jensen, Peter L.
Person or Organization
Pridham, Edwin S.
Create Date
May 10, 2016
Update Date
June 23, 2021