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[D7905M], Letter from Frank P Snow to Thomas Alva Edison, July 10th, 1879

Title: [D7905M], Letter from Frank P Snow to Thomas Alva Edison, July 10th, 1879
Editor's Notes: Suggestion for amplifying volume from phono; position lever between reproducing point and diaphgragm to increase motion. Marg: "This has beeen tried by NY partner(?) but didn't seem to go."
Author: Snow, Frank P
Recipient: Edison, Thomas Alva
Date: 1879-07-10
Type: Letter
Subject: Cylinder phonograph; Sound and acoustics
Folder ID: D7905-F
Microfilm ID: 49:624
Document ID: D7905M
URL: https://edisondigital.rutgers.edu/document/D7905M
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 49