[MBN003175A], Technical Note, John Kruesi, September 13th, 1879
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Title
[MBN003175A], Technical Note, John Kruesi, September 13th, 1879
Editor's Notes
No. 237 make a telephone receiver with a 4 inch diaphragm; No. 238 make a new die for chalks for new receiver [gives dimensions]
Author
Date
1879-09-13
Type
Folder/Volume ID
MBN003-F
Microfilm ID
90:754
Document ID
MBN003175A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University