National acid dyes on wool / manufactured by National Aniline & Chemical Co., Inc. (1917)
National Aniline and Chemical Company · New York : The Company · leaf 33
GH = NATIONAL ANILINE & CHEMICAL CO., In. =— GD National Fast Acid Brown RG Stiri. National Neutral Brown AN National Neutral Brown RN National National Neutral Brown —_
Wool · Dyes and dyeing -- Wool
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
