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[D7928ZCD], Letter from Franklin Ballou to Thomas Alva Edison, June 18th, 1879

Title: [D7928ZCD], Letter from Franklin Ballou to Thomas Alva Edison, June 18th, 1879
Editor's Notes: no quant. wrth work; Summit Co.'s plat alloyed with osmium & irid; work on deafness, even small help would matter a lot to me <"Put your name on the list" & send any black sand>
Author: Ballou, Franklin
Recipient: Edison, Thomas Alva
Date: 1879-06-18
Type: Letter
Subject: Metals and minerals; Ore exploration and mining; Sound and acoustics
Folder ID: D7928-F
Microfilm ID: 50:696
Document ID: D7928ZCD
URL: https://edisondigital.rutgers.edu/document/D7928ZCD
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 50
License: CC0 1.0 Universal

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