The coal tar colours of Farbwerke vorm. Meister Lucius & Brüning, Hoechst on Main, Germany and their application in wool dyeing (1910)
Meister, Lucius & Brüning (Firm) · New York, H. A. Metz · leaf 53
Naphtaline Blue BN cone. pat. AVilh 10„ C.lauhcrs salt and 4;a sulphuric acid at tlic boil. With .50—100% Glauberssalt .ind 3 °/o sulphuric acid;the goods are entered at amedium temperature, the baththen heated to the boil andkept boiling for 1 hour; inold baths 10,o Glaubers saltand 4o sulphuric… … Naphtaline Blue V pat.
Dyes and dyeing · Coal-tar colors
Internet Archive · Public Domain Mark 1.0. Free to use for anything.