Notebook Series -- Pocket Notebooks -- Notebooks by Edison
[NP037-F] PN-91-00-00.2 (1891)
This undated pocket notebook was used by Edison around 1891 for notes relating to filament experiments. There is also a set of calculations, possibly pertaining to ore milling, and two rough drawings. The pages are unnumbered. Only 9 pages have been used.
Courtesy of Thomas Edison National Historical Park.