[D7719ZAF], Letter from Thomas B A David to Thomas Alva Edison, August 14th, 1877

https://edisondigital.rutgers.edu/document/D7719ZAF

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Title

[D7719ZAF], Letter from Thomas B A David to Thomas Alva Edison, August 14th, 1877

Editor's Notes

Discusses telephone matters -- arrived at solution he thought TAE would with thicker diaphragm -- wishes could have stayed for all expts

Date

1877-08-14

Decade

1870-1879

Type

Subject

Folder/Volume ID

D7719-F

Microfilm ID

14:858

Document ID

D7719ZAF

Publisher

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