Part Of:
Notebook Series -- Pocket Notebooks -- Notebooks by Edison
[NP041-F] PN-97-11-01.1 (1897-1898)
This pocket notebook was used by Edison in 1897 and 1898. Included are a set of meter readings, notes and calculations regarding meter solutions, two sets of cost analyses for phonograph parts and incandescent lamps, and tables regarding a "jump" (probably induction) telegraph. The pages are unnumbered. Approximately 20 pages have been used.
Courtesy of Thomas Edison National Historical Park.