[NA307-F]

https://edisondigital.rutgers.edu/folder/NA307-F

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Part Of: Notebook Series -- Notebooks by Edison

[NA307-F] N-20-00-00.1 (1919)

This undated notebook was used by Edison, possibly in 1919. It contains four numbered drawings showing different spring mechanisms connecting two plates. The drawings probably pertain to molding or pressing equipment for disc records. One loose drawing by Edison, inserted into the book, may or may not be related. The pages are unnumbered. Only 3 pages have been used.

Courtesy of Thomas Edison National Historical Park.

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