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[D7919L], Letter from Thomas H Ladd to Thomas Alva Edison, January 29th, 1879

Title: [D7919L], Letter from Thomas H Ladd to Thomas Alva Edison, January 29th, 1879
Editor's Notes: Dynamo construction ideas; suggestion for dispensing with soft iron core. Suggests rings of Pt and Cu for lamp. Marg: "Referred to Upton to see what he has & for an answer. Shew ans to me."
Author: Ladd, Thomas H
Recipient: Edison, Thomas Alva
Mentioned: Upton, Francis Robbins; MacKenzie, James U
Date: 1879-01-29
Type: Letter
Subject: Dynamos and generators; Electricity and magnetism
Folder ID: D7919-F
Microfilm ID: 50:14
Document ID: D7919L
URL: https://edisondigital.rutgers.edu/document/D7919L
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
License: CC0 1.0 Universal

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