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[D7838ZDG], Letter from William H Sawyer, Eugene F Phillips to Thomas Alva Edison, July 11th, 1878

Title: [D7838ZDG], Letter from William H Sawyer, Eugene F Phillips to Thomas Alva Edison, July 11th, 1878
Editor's Notes: Have been experiementing with Rubber tubing with wire spiral for your Telephone tube. The rubber tube is inclined to kink & close the passage. We are making a special article for the purpose by building up a wire spiral. Will send sample in few days which is made & will require time to thoroughly dry.
Author: Sawyer, William H; Phillips, Eugene F
Recipient: Edison, Thomas Alva
Date: 1878-07-11
Type: Letter
Subject: Cellulose, resins, rubber, and related products
Folder ID: [D7838-F] Document File Series -- 1878
Microfilm ID: 19:735
Document ID: D7838ZDG
URL: https://edisondigital.rutgers.edu/document/D7838ZDG
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 19

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