[D7840ZBV], Letter from L A Ludwig to Stockton L Griffin, August 24th, 1878

https://edisondigital.rutgers.edu/document/D7840ZBV

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Title

[D7840ZBV], Letter from L A Ludwig to Stockton L Griffin, August 24th, 1878

Editor's Notes

Wants carbon button -- made microphone by using battery carbon but doesn't transmit voice except as tone and wants to see what will happen with button

Author

Date

1878-08-24

Decade

1870-1879

Type

Folder/Volume ID

D7840-F

Microfilm ID

19:900

Document ID

D7840ZBV

Publisher

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