50661
Accession Number
5038
Title Of Journal Book
Method of Making Photoprints and Developer Therefore
Collation
0.625
Publisher
United States Patent Office
Language Of Text
English
Literature Type
Monograph
Literature Level
Monographic
Patent Number
2093421
Patent Place
United States
Keywords
blue;print;blueprint;pre- developer;bleeding;color;potassium;oxalate; oxalic;acid;sodium;sul fite;ferrocyanide
pub_id
50661