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[D7802ZSB], Letter from J M Lauck to Thomas Alva Edison, July 10th, 1878

Title: [D7802ZSB], Letter from J M Lauck to Thomas Alva Edison, July 10th, 1878
Editor's Notes: Sci. Am. 13 July contains article of your harmonic engine; can such an engine be adapted for light carriage use?
Author: Lauck, J M
Recipient: Edison, Thomas Alva
Date: 1878-07-10
Type: Letter
Subject: Railroads and transportation; Microphone and other acoustic devices
Folder ID: D7802-F
Microfilm ID: 15:915
Document ID: D7802ZSB
URL: https://edisondigital.rutgers.edu/document/D7802ZSB
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 15