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[NA333048], Technical Note, Archibald David Hoffman, June 20th, 1917

Title: [NA333048], Technical Note, Archibald David Hoffman, June 20th, 1917
Author: Hoffman, Archibald David
Date: 1917-06-20
Type: Technical Note
Subject: Disc record and duplicating technology
Folder ID: NA333-F
Microfilm ID: 234:818
Document ID: NA333048
URL: https://edisondigital.rutgers.edu/document/NA333048
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 234