FRAGMENT OF GYPSUM FROM KNOSSOS

26 Fragments of Ancient Marble

Uncarved Gem

Unidentified culture

GEOLOGICAL SPECIMEN

Letter describing Caravoglia's design for "Circumcision" painting

Bernardo Marenco

Wall painting fragment

Roman

Plaster of Paris. Calcium Sulphate

Ground Gypsum, Terra Alba

Manufactured by U.S. Gypsum Co.

Gypsum from Alabaster (Terre Alba)

Manufactured by U.S. Gypsum Co.

yellow earth

Persian Berries

Manufactured by Geo. Rowney & Co.

Chlorite

Manufactured by Fezandie & Sperrle

Dragons Blood

Manufactured by Charles Roberson and Co.

Cinnabar

Realgar (artificial)

Realgar

Galena

Manufactured by Wadsworth, Howland & Co.

White Lead

Manufactured by Wadsworth, Howland & Co.

Sphalerite, Zinc Sulfide, Zinc White, Chinese White, Zinc Oxide

Manufactured by New Jersey Zinc Co.

ilmenite (iron ore)

Manufactured by Titanium Pigment Corp.