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[D7905Z], Letter from E J Blair to Thomas Alva Edison, December 9th, 1879

Title: [D7905Z], Letter from E J Blair to Thomas Alva Edison, December 9th, 1879
Editor's Notes: Try using mica instead of platinum to overcome expansion problems in light. Marg: "I cannot conceive how mica could be used. Its properties are just the opposite of the required ones."
Author: Blair, E J
Recipient: Edison, Thomas Alva
Date: 1879-12-09
Type: Letter
Subject: Metals and minerals; Electric light and power; Incandescent lamp
Folder ID: D7905-F
Microfilm ID: 49:644
Document ID: D7905Z
URL: https://edisondigital.rutgers.edu/document/D7905Z
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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