Cassella Color Company, author · New York : Cassella Color Company · leaf 27
HYDRON COLOURS ON COTTON PIECE-GOODS Hydron Violet B pat. Hydron Dark Blue G pat. 4.5% Hvdrou Dark Blue G Paste 20% pat. 12% Hydron Dark Blue G Paste 20% pat. … CASSELLA COLOR COMPANY, NEW YORK. v
Dyes and dyeing · Color in the textile industries
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
