Bauhaus Student, Studies on color theory, 1920s

Bauhaus Student, Studies on color theory, 1920s, Studies of a Bauhaus student on color theory, probably between 1922 and 1933
30 sheets of black solid cardboard (each 29.5 x 21.0 cm), perforated, in brownish cardboard stapler by Viria (31.7 x 25.0 x 3.0 cm). Inside 30 sheets of black solid cardboard with glued text passages for color theory (typewriter font) and exercises in watercolor and gouache techniques in different formats, also glued to the black cardboard, on the subjects: Contrast colorful - achromatic, color contrast, light- dark contrast, cold-warm contrast, intensity contrast, quality contrast, quantity contrast, complementary contrast, simultaneous contrast, successive contrast., Provenance: Private collection Rhineland.