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[QCB09129], Legal Testimony, U.S. Patent Office. Commissioner, Ellis Spear, June 13th, 1877

Title: [QCB09129], Legal Testimony, U.S. Patent Office. Commissioner, Ellis Spear, June 13th, 1877
Author: U.S. Patent Office. Commissioner; Spear, Ellis
Mentioned: Duncan, Samuel Augustus
Date: 1877-06-13
Type: Legal Testimony
Folder ID: QCB09-F
Microfilm ID: 9:817
Document ID: QCB09129
URL: https://edisondigital.rutgers.edu/document/QCB09129
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 9