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[Z100DV], Letter from Robert McIlwraith to Lyon Playfair, December 22nd, 1873

Title: [Z100DV], Letter from Robert McIlwraith to Lyon Playfair, December 22nd, 1873
Author: McIlwraith, Robert
Recipient: Playfair, Lyon
Date: 1873-12-22
Type: Letter
Subject: Acoustic telegraphy
Folder ID: Z100-F
Document ID: Z100DV
URL: https://edisondigital.rutgers.edu/document/Z100DV
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)