[N120256], Technical Note, William Joseph Hammer, December 7th, 1880
Item
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Title
[N120256], Technical Note, William Joseph Hammer, December 7th, 1880
Editor's Notes
notes on globe lined inside & coated outside with Pt foil; "Globe lined inside & coated outside with platinum foil The inside part having pitch ball coated with platina on one wire which made contact with inside coating the other wire to be connectec with outside coating." other globes with Pt foil reflectors. Fr 639 "Condenser of tinfoil & mica several [???] 3 to 7 layers foil, fastened with shellac & gum {???] which volitilized & deposited on carbon changing resistance greatly"; globe with revolving magnet outside. Descriptions, but no explanations.
Author
Date
1880-12-07
Decade
1880-1889
Type
Subject
Identifier
N120256
Folder Set
N120-F
Microfilm ID
37:638
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University