[NS7802O], Technical Note, John Kruesi, July 27th, 1878

https://edisondigital.rutgers.edu/document/NS7802O

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Title

[NS7802O], Technical Note, John Kruesi, July 27th, 1878

Editor's Notes

measured drawing of megaphone

Author

Date

1878-07-27

Folder/Volume ID

NS7802-F

Microfilm ID

7:772

Document ID

NS7802O

Publisher

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