Powdered Silica, established 1834
Manufactured by Howe & French, Inc.
Pumice
Manufactured by S.S. White Dental Manufacturing Co.
Aluminum Stearate
Manufactured by Hatfield's
Haematite (Pencil Haematite) Iron Oxide Red
Spanish Red Oxide
Manufactured by F. Weber & Company, Inc.
Persian Gulf Oxide
Manufactured by Reichard-Coulston Inc.
Spanish Red (Mapico Red Medium)
Manufactured by Binney & Smith Co.
Burnt Yellow Ochre
Manufactured by Fezandie & Sperrle
Burnt Sienna
Manufactured by Lefranc
Burnt Sienna (American)
Manufactured by Reichard-Coulston Inc.
Red Earth from Virginia
English Red, Venetian Red
Light Red. Calcined Yellow Ochre
Manufactured by F. Weber & Company, Inc.
Indian Red (Colcothar) (Caput Mortuum), founded 1832
Manufactured by Winsor & Newton
Morello di Sale
Pazzouli Red, Iron Oxide Red
Armenian Bole (Red Bole)
Venetian Red (artificial)
Manufactured by Wadsworth, Howland & Co.
Persian Gulf Red (Mapico Red #110) (Synthetic Iron Oxide)
Manufactured by Binney & Smith Co.