[NB050] Technical Note, 1888-1889
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Title
[NB050] Technical Note, 1888-1889
Editor's Notes
[dated entries; various dates, starting August 1888] Numbered metallic Soaps. P. 31 "The object of these experiments is to take the crystalization out of stearate of soda, and to make it mold better. It came out bang up, non crystaline, good cut, molded first class--but was electrical. Not so likely to absorb moisture." Followed by experiments on "Molding" and "Filtering"; making various samples "non electric"; p. 85 "On non electric frying" p. 95 Dec 6 1888: "On preserving Records of Sounds on Wax Cylinders. The idea is to coath the cylinder with a thin film that will not wear under the influence of the (receiver or reproducer) stylus, or by handing etc. Such a film might be a separate compound as colodion,...." [with cross ref to Ott's books] Expt. #871 seems key; records on softeneing and improving that material. Later topics include "Moisture Proofing Regular" [p. 125], "Improving Regulara Wax, "Veneer Cylinders" [latter records undated]
Date
1888-1889
Type
Folder/Volume ID
NB050-F
Microfilm ID
102:658
Document ID
NB050
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University