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[NB244013], Technical Note, Ludwig Fredrick Ott, June 24th, 1920

Title: [NB244013], Technical Note, Ludwig Fredrick Ott, June 24th, 1920
Author: Ott, Ludwig Fredrick
Mentioned: Koppers (H.) Co
Date: 1920-06-24
Type: Technical Note
Subject: Chemicals, chemical products, and chemical processes; Disc record and duplicating technology
Folder ID: NB244-F
Microfilm ID: 240:776
Document ID: NB244013
URL: https://edisondigital.rutgers.edu/document/NB244013
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 240