The chemistry and technology of mixed paints (1907)
Toch, Maximilian, 1864-1946 · New York : D. Van Nostrand Company · leaf 114
No. 29. American Terra Alba — Pho- g^^^^^ Silex - Photomicro- tomicrograph X250, very finely pow- ^^^^^ ^250, very fine grain. No. 31. Indian Red — Photomicro- No. 32. Drop Black — Photomicro- graph X300, 98 per cent FE2O3, very graph X300, very finely powdered, fine uniform grain.
Paint · Pigments
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
