[N106135A], Technical Note, Alexander Welsh, December 15th, 1880
https://edisondigital.rutgers.edu/document/N106135A
→ View document with UniversalViewer → View document on Archive.org → Re-use this digital object via a IIIF manifest
Title
[N106135A], Technical Note, Alexander Welsh, December 15th, 1880
Editor's Notes
"from this day all regular carbons are to be distinguished as follows:" 6 inch=A; 3 inch=B; 2 in=C; 1 1/2=D.
Author
Date
1880-12-15
Type
Folder/Volume ID
N106-F
Microfilm ID
36:525
Document ID
N106135A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University