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[D7511A1], Letter from Henry W Spang, Philadelphia Reading and Pottsville Telegraph Co to Thomas Alva Edison, May 17th, 1875

Title: [D7511A1], Letter from Henry W Spang, Philadelphia Reading and Pottsville Telegraph Co to Thomas Alva Edison, May 17th, 1875
Author: Philadelphia Reading and Pottsville Telegraph Co; Spang, Henry W
Recipient: Edison, Thomas Alva
Mentioned: Delaware Lackawanna and Western Railroad; Atlantic and Pacific Telegraph Co
Date: 1875-05-17
Type: Letter
Subject: Automatic telegraphy; Electric battery
Folder ID: D7511-F
Microfilm ID: 13:423
Document ID: D7511A1
URL: https://edisondigital.rutgers.edu/document/D7511A1
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 13

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