[D9116-F]

https://edisondigital.rutgers.edu/folder/D9116-F

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Part Of: Document File Series -- 1891

[D9116-F] (D-91-16) Edison, T.A. -- Unsolicited Correspondence -- Advice

This folder contains routine correspondence suggesting improvements in Edison's inventions, asking him for advice on technical matters, or requesting his assistance in improving or promoting an invention.

Less than 10 percent of the documents have been selected. Most of the selected letters received a significant response from Edison.

Courtesy of Thomas Edison National Historical Park.

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