[NM019AAD], Technical Note, Thomas Alva Edison, February 6th, 1884
https://edisondigital.rutgers.edu/document/NM019AAD
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Title
[NM019AAD], Technical Note, Thomas Alva Edison, February 6th, 1884
Editor's Notes
"Dyer= Please take out patent on armature in series & multiple arc in the field of force, preferably multiple arc. I find that with the present machine if a large bar of iron be placded across the field when armature is running that it does not bring down the volts 10%. The short circuiting of the lines of force through the bar is certainly as great as would be caused by the addition of another armature in multiple arc....in relation to the field ie magnetically, thus I shall be able with very little addition of iron & copper to run 2 armatures from one field at full volts....." [see related notebook drawing; also check patent casebooks] DRAWINGS FOLLOW.
Author
Mentioned
Date
1884-02-06
Type
Folder/Volume ID
NM019-F
Microfilm ID
44:621
Document ID
NM019AAD
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University