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[D7919M], Letter from Thomas H Ladd to Thomas Alva Edison, February 6th, 1879

Title: [D7919M], Letter from Thomas H Ladd to Thomas Alva Edison, February 6th, 1879
Editor's Notes: His light suggestion not like Werdermann light. Suggests using copper rod in light contact with carbon. Marg: Engl pat ref; "Your last suggestion has been tried by me."
Author: Ladd, Thomas H
Recipient: Edison, Thomas Alva
Mentioned: Upton, Francis Robbins
Date: 1879-02-06
Type: Letter
Subject: Incandescent lamp; Arc lighting; Dynamos and generators
Folder ID: D7919-F
Microfilm ID: 50:17
Document ID: D7919M
URL: https://edisondigital.rutgers.edu/document/D7919M
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 50

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