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[NB264112], Technical Note, William Alphonsus Hayes, Thomas Alva Edison, March 10th, 1921

Title: [NB264112], Technical Note, William Alphonsus Hayes, Thomas Alva Edison, March 10th, 1921
Author: Hayes, William Alphonsus; Edison, Thomas Alva
Date: 1921-03-10
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: [NB264-F] Notebook Series -- Notebooks by Other Experimenters -- General Experiment Books -- W. A. Hayes Book
Microfilm ID: 241:1081
Document ID: NB264112
URL: https://edisondigital.rutgers.edu/document/NB264112
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 241