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[Z100CL], Letter from E Groves to Richard S Culley, May 20th, 1873

Title: [Z100CL], Letter from E Groves to Richard S Culley, May 20th, 1873
Editor's Notes: Supplied year
Author: Groves, E
Recipient: Culley, Richard S
Date: 1873-05-20
Type: Letter
Subject: Testing and quality control; Automatic telegraphy
Folder ID: Z100-F
Document ID: Z100CL
URL: https://edisondigital.rutgers.edu/document/Z100CL
Rights: BT Archives
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University

Item sets: [Z100-F] Trials of Thomas Edison's Modification of George Little's Automatic Telegraph System (POST 30/259C)