[MBN009AAT], Technical Note, John White Howell, September 6th, 1882
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Title
[MBN009AAT], Technical Note, John White Howell, September 6th, 1882
Editor's Notes
#134 Lamps marked F. H> carbons immersed in hydrofluoric acid for10 hours and then washed in diluted ammonia & then inwater for 3 hours and then dried & run through in regular manner." #135 "switch put in when small bubbles are in tube otherwise regular." Several others about having switch put in at start, or when bubbles appear.
Author
Mentioned
Date
1882-09-06
Type
Folder/Volume ID
MBN009-F
Microfilm ID
91:469
Document ID
MBN009AAT
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University