[N001061], Technical Note, Francis Robbins Upton, February 1879
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Title
[N001061], Technical Note, Francis Robbins Upton, February 1879
Editor's Notes
Johnson Matthey Iridium and Rhodium prices; "Aluminum did not melt in hte H flame and in the O.H. seemed only to oxydize without metling. Came up to incandescence without melting. When the blast of O was brought in contact it melted." notes on magnesium, manganese, boron, cobalt, nickel, cerium, chromium, iron, silicon, silicate of nickel, rutile oxide of titanium "Nickel changes very little at white heat except to oxydize. Does not melt light brilliant can be pounded though cracks appear from non annealing (as infusible as Pt) Greatest difficulty in melting it seemed to melt at about the same temperature as Pt. E See page 66" more notes on p. 66-67 re nickel; beginning p. 68 are notes on tasimeter No. 1 Partrick & Carter, p. 77 tasimeter made in shop; pp. 82-83 show tasimeter circuit; p. 85 No 2, 87 is No 1 New carbons, 88 is No 2, 89 is No. 3
Author
Date
1879-02-00
Type
Subject
Folder/Volume ID
N001-F
Microfilm ID
29:50
Document ID
N001061
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University