N-14-06-09 (1914-1915)

Title: N-14-06-09 (1914-1915)
Description: This notebook is a continuation of N-13-08-25.2. It was used by Edison and Peter C. Christensen during the period June 1914-Nebruary 1915 for a sequence of numbered \"tracking tests\"" to improve the quality of the \""white master\"" records. Preceding the tests are entries by Christiansen alone [not selected] listing various experimental preparations of wax compounds and phenol resins. The notes indicate that an employee named Miller (probably Joseph Miller) worked with Edison. The spine is labeled \""Testing #2.\"" The pages are unnumbered. Approximately 50 pages have been used."
Identifier: NA249-N
Has Format: https://iiif.archive.org/iiif/taepnotebook-NA249/manifest.json
Is Part Of: Notebook Series -- Notebooks by Edison
Has Version: Item Set NA249-F
Type: Notebook
Rights: Courtesy of Thomas Edison National Historical Park.
License: CC0 1.0 Universal