N-20-06-02.2 (1920)
Item
- Title
- N-20-06-02.2 (1920)
- Description
-
This notebook was used by Edison on June 2, 1920. It contains a single entry describing the procedure for cleaning disc record molds \"as man was taught.\"" The process involved two dips into a bath of \""8/4,\"" a solution of selenious acid. Inserted into the book is a note from Edison with instructions for Frederick P. Ott regarding the cleaning procedure. The pages are unnumbered. Only 4 pages have been used."
- Identifier
- NA309-N
- Has Format
- https://iiif.archive.org/iiif/taepnotebook-NA309/manifest.json
- Is Part Of
- Notebook Series -- Notebooks by Edison
- Has Version
- Item Set NA309-F
- Type
- Notebook
- Rights
- Courtesy of Thomas Edison National Historical Park.
- License
- CC0 1.0 Universal