[D8818AQH], Letter from Thomas Alva Edison to Edison and Swan United Electric Light Co Ltd, Samuel Flood Page, July 31st, 1888
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Title
[D8818AQH], Letter from Thomas Alva Edison to Edison and Swan United Electric Light Co Ltd, Samuel Flood Page, July 31st, 1888
Editor's Notes
I have your letter 16th instant. You must not place too much dependence upon the [----]/Cheesebrough? Patent, for the reason, which you may not before have known, that the Edison Company in America have never used the flashing process and have always make a carbon filament pure and simple. The last test of the Edison lamp made in America in competition with the Edison-Swan lamp showed the former to have 3 63/100 better life and 8% more candle power after five hundred hours.
Author
Date
1888-07-31
Type
Folder/Volume ID
D8818-F
Microfilm ID
122:469
Document ID
D8818AQH
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University