[NA042-F]

https://edisondigital.rutgers.edu/folder/NA042-F

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Part Of: Notebook Series -- Notebooks by Edison

[NA042-F] N-91-10-14 (1891-1894)

This notebook, which covers the period October 1891-October 1894, is a continuation of N-91-09-03. The book contains notes and drawings by Edison regarding filament deposit experiments, nos. 20-35. There are also notes concerning related experiments, including tests of basic pH solutions for treating filaments. At the end of the book are two loose pages of notes by an unidentified experimenter. The spine is labeled "124." The book contains 197 numbered pages. Two loose pages have been inserted into the book.

Blank pages: 30-31, 66-67, 118-193.

Courtesy of Thomas Edison National Historical Park.

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