Magnetic Recording and Reproducing Device with Means to Prevent Accidental Erase of Record Medium

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Title: Magnetic Recording and Reproducing Device with Means to Prevent Accidental Erase of Record Medium
Creator(s): Vagtborg, Harold A.
Date: 1949-04-05
Description: United States Patent
Type: Patent
File type: application/pdf
Sponsor or funding information: Armour Research Foundation of Illinois Institute of Technology
Access: Open Access
Rights: No Copyright - United States
http://rightsstatements.org/page/NoC-US/1.0/
Identifier: http://hdl.handle.net/10560/61
Patent Number: 2,466,514