Ultramarine Red. Ultramarine blue mixed with dry hydrochloric acid
Manufactured by Castelfranco
Ultramarine Red
Manufactured by Grumbacher
Tuscan Red
Manufactured by Reichard-Coulston Inc.
Antimony Vermilion
Manufactured by Eimer & Amend
Cinnabar (Natural)
Vermilion (English)
Manufactured by F. Weber & Company, Inc.
Chinese Vermilion
Manufactured by F. Weber & Company, Inc.
Chrome Orange
Manufactured by F. Weber & Company, Inc.
Realgar
Manufactured by Hamilton
Red Lead (Minium), established 1834
Manufactured by Howe & French, Inc.
Molybdate Orange
Manufactured by Imperial Paper & Color Corp.
Thiever's Earth (natural) (For pottery)
Red Slate Flour (Native Slate)
Manufactured by C.K. Williams & Co.
Red Jasper
Manufactured by Ward's Natural Science Establishment Inc.
Green Jasper
Manufactured by Ward's Natural Science Establishment Inc.
Potter's Pink
Mica (Isinglass)
Litmus
Manufactured by Eimer & Amend
Flake White (Lead White)
Manufactured by Wadsworth, Howland & Co.