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[D7903ZKS], Letter from James West Roosevelt to Thomas Alva Edison, November 14th, 1879

Title: [D7903ZKS], Letter from James West Roosevelt to Thomas Alva Edison, November 14th, 1879
Editor's Notes: Microphone and Bell teleph used in unsuccessful expts on human heartbeat; would like to try TAE carbon transmitter & emg receiver. Marg: can borrow but don't think motograph suited for this.
Author: Roosevelt, James West
Recipient: Edison, Thomas Alva
Mentioned: Bell, Alexander Graham
Date: 1879-11-14
Type: Letter
Subject: Health and medicine; Telephone; Microphone and other acoustic devices
Folder ID: D7903-F
Microfilm ID: 49:502
Document ID: D7903ZKS
URL: https://edisondigital.rutgers.edu/document/D7903ZKS
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 49

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