Letter from J Unger to Delos Holden, 1917

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Author(s)

Unger, J
Recipient(s)
Holden, Delos
Others Mentioned
New Jersey Patent Co
Bachman, Frederick
Edison, Thomas Alva

Subject(s)

Disc record and duplicating technology
Patent application

Dated

1917-00-00 (1917)

Associated Images

Identifier

PT5065H (legacy)

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
 

Citation

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