[NP035B], Technical Note, Thomas Alva Edison, September 13th, 1888
https://edisondigital.rutgers.edu/document/NP035B
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Title
[NP035B], Technical Note, Thomas Alva Edison, September 13th, 1888
Editor's Notes
drawings labeled hand motor for disk phonograph; Take paper coat by pressure with light substances by pressuer or as past which in drying leaves it soft & porous say Carbonate Magnesia etc then coat with soft material like flexible oleate & perhaps little stearite lead & indent withouot removing stock; drawing labeled flat sheet phono; drawing labeled Electric piano; drawing labeled reproducing phono; drawings of springs for recoding and reproducing needles; [following: is "back 2 pages: a-chlorpropylene BP 25 Allychloride 44 Methylchloracetal Isophrophyl chloride 37 Propyl chloride 40 Batyl chloride 55] Try Chloride Zinc glacial acetci A Crhomic A melted Bromide 13 Brometheylene, Vinyl Bromide ordinary temperatures Ethyl Promide 40 fibres artificail splendid stuf ulmic order Sol Ether etc, made by acting on Chloroform with Methyl Alcohol & Sodium--great variety of Ulmic Cpds by [action on their agents?] see Methalmic acid Watts 983 & 4 Volititle Compounds for Microbes & uninflammable-- Methlyne Chloride BP 30.5 fahr Chloroform BP 61. Methyl Chloride--18 Acethylene Dichloride BP 55 Dychlorethylene 35 Chlorethylene--18--Liquid Chloroacetene BP 45 Dychlrovinyl chloride BP 36 Methyl Chlorform 75 Chloride Ethyl BP 11.5 [back 2 pages - see above]
Author
Date
1888-09-13
Type
Folder/Volume ID
NP035-F
Microfilm ID
106:323
Document ID
NP035B
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University