[D7828ZEX], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, December 10th, 1878

Item

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Title

[D7828ZEX], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, December 10th, 1878

Editor's Notes

vocal engine patent allowed and will be No. 270,767

Date

1878-12-10

Decade

1870-1879

Type

Identifier

D7828ZEX

Folder Set

D7828-F

Microfilm ID

18:840

Publisher

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

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