[MBN001063], Technical Note, Charles Batchelor, March 31st, 1877
Item
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Title
[MBN001063], Technical Note, Charles Batchelor, March 31st, 1877
Editor's Notes
Embossing telegraph arm
Author
Mentions
Date
1877-03-31
Decade
1870-1879
Type
Subject
Identifier
MBN001063
Folder Set
MBN001-F
Microfilm ID
90:648
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University