[NA309-F] N-20-06-02.2 (1920)
Item set
Title
[NA309-F] 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.
Is Version Of
Identifier
NA309-F
uri
https://edisondigital.rutgers.edu/folder/NA309-F
Type
Notebook
Rights
Courtesy of Thomas Edison National Historical Park.
Is Part Of
Notebook Series -- Notebooks by Edison
Alternative Title
N-20-06-02.2 (1920)