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[N315029] Technical Note, April 6th, 1886

Title: [N315029] Technical Note, April 6th, 1886
Editor's Notes: "Lamp Make a mouse mill like Thompsons recorder or perhaps the Gas Lighter Mouse mill run by motor will answer. Use this in static experimetns on Lamps for counter charges-- Speaking tube-- Try greatest distnace with inch gas pipe diaphragm on ends and 35 lbs to squre in pressure inside you can speak-- Try lead pipe instead 1/4 inch inside bore-- Try at different pressures if necessary pressure causes greater distance carry pressure up to 100 lbs or more to square insh Try glass Tubing but on & sealing wax poured on joint" (drawing)
Author: Edison, Thomas Alva
Date: 1886-04-06
Type: Technical Note
Subject: Telephone; Electric light and power
Folder ID: N315-F
Microfilm ID: 42:961
Document ID: N315029
URL: https://edisondigital.rutgers.edu/document/N315029
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 42

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