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[LB031038], Letter from Thomas Alva Edison to William Joseph Hammer, June 24th, 1889

Title: [LB031038], Letter from Thomas Alva Edison to William Joseph Hammer, June 24th, 1889
Editor's Notes: I beg to confirm the following cablegram sent you 22d instant:-- [NEWARK, PARIS. June 23, 1889. ### "Use your judgment about juries. Grephophones only claim to originality is recording by cutting wax. Procure immediately copy of La Nature, edited by Tissandier, 1879, page 349; article on Lembrigots phonograph used cutting tool and sterine wax. See also my British Patent Number 1644 of 1878, paragraph thirty of specificating filed October 22d. EDISON." Yours very truly, [signed] TAE
Author: Edison, Thomas Alva
Recipient: Hammer, William Joseph
Mentioned: Nature (Paris); Lambrigot, Jacques Paul
Date: 1889-06-24
Type: Letter
Subject: Competition and market structure; Patents; Cylinder phonograph
Folder ID: LB031-F
Microfilm ID: 139:422
Document ID: LB031038
URL: https://edisondigital.rutgers.edu/document/LB031038
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 139

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