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[D7903ZEM], Letter from George Frederick Barker to Thomas Alva Edison, May 30th, 1879

Title: [D7903ZEM], Letter from George Frederick Barker to Thomas Alva Edison, May 30th, 1879
Editor's Notes: Long reply to TAE's request for info on platinum. Discusses its limited sources of production & methods of purifying it. Says that Bentley arranged Franklin Inst. exhibit. Please send pair of telephones from lot being made for England. Also, have Batch press chalk for emg received in Dec. Hopes switchboard will be finished soon; would like to have, as Griffin suggested, a telephone conversation on Sunday using Blake transmitter.
Author: Barker, George Frederick
Recipient: Edison, Thomas Alva
Mentioned: Batchelor, Charles; Griffin, Stockton L
Date: 1879-05-30
Type: Letter
Subject: Metals and minerals; Telephone; Chemicals, chemical products, and chemical processes
Folder ID: D7903-F
Microfilm ID: 49:252
Document ID: D7903ZEM
URL: https://edisondigital.rutgers.edu/document/D7903ZEM
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

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