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[D7906ZBI], Letter from Clarence J Blake to Thomas Alva Edison, October 22nd, 1879

Title: [D7906ZBI], Letter from Clarence J Blake to Thomas Alva Edison, October 22nd, 1879
Editor's Notes: Received paper. Do you want tuning fork drawn with handle as above? 50 reprints free.
Author: Blake, Clarence J
Recipient: Edison, Thomas Alva
Date: 1879-10-22
Type: Letter
Subject: Microphone and other acoustic devices
Folder ID: D7906-F
Microfilm ID: 49:737
Document ID: D7906ZBI
URL: https://edisondigital.rutgers.edu/document/D7906ZBI
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