Baumann's color guides.
Baumann's color guides is a 1920 trade sample book issued by the Baumann Co., a paint and color supplier, for painters and buyers choosing colors from printed swatches. Its pictures are strips of graded color chips in blues, violets, reds and browns, each strip stepping from a full shade toward white or black, with some pages showing fragments of printed text and tint names beside them. A designer could draw on these as ready-made palettes of tonal steps and tints.
