[D8403ZAE], Letter from Cumming and Brinkerhoff to Thomas Alva Edison, March 3rd, 1884

Item

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Title

[D8403ZAE], Letter from Cumming and Brinkerhoff to Thomas Alva Edison, March 3rd, 1884

Editor's Notes

Encloses Franklin Inst test report on Cummings Periphery Contact Disc Electrode for telegraphs.

Date

1884-03-03

Decade

1880-1889

Type

Identifier

D8403ZAE

Folder Set

D8403-F

Microfilm ID

71:69

Publisher

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