[N315029] Technical Note, April 6th, 1886
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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
Date
1886-04-06
Type
Subject
Folder/Volume ID
N315-F
Microfilm ID
42:961
Document ID
N315029
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University