[PT014AAL], Letter from U.S. Patent Office. Commissioner to Dyer and Seely, Thomas Alva Edison, October 26th, 1887

Item

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Title

[PT014AAL], Letter from U.S. Patent Office. Commissioner to Dyer and Seely, Thomas Alva Edison, October 26th, 1887

URL

https://edisondigital.rutgers.edu/document/PT014AAL

Author

U.S. Patent Office. Commissioner

Recipient

Dyer and Seely
Edison, Thomas Alva

Date

1887-10-26

Decade

1880-1889

Type

Letter

Subject

Patent application
Phonoplex and railroad telegraphy

Identifier

PT014AAL

Folder Set

PT014-F

Microfilm ID

45:578

Rights

Thomas Edison National Historical Park

Publisher

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

Item sets

Case 663 Railway Signaling (1886)