[LB001397], Letter from Thomas Alva Edison to Joseph Edgar Crowell, February 3rd, 1878

https://edisondigital.rutgers.edu/document/LB001397

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Title

[LB001397], Letter from Thomas Alva Edison to Joseph Edgar Crowell, February 3rd, 1878

Editor's Notes

plan you suggest has been in use for many years in physical laboratories for investigating the larynx--Scotts phonotograph--almost useless never gives a true record

Date

1878-02-03

Decade

1870-1879

Type

Folder/Volume ID

LB001-F

Microfilm ID

28:259

Document ID

LB001397

Publisher

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