How Sulfuric Acid is Made (*Corrosive*)
Jungian Numerology & Number Meanings
How to Make Copperas Red: Simply Science
Natural Purple Dyes: Ancient & Medieval
Difference Between Astrology & Astronomy in the Ancient World
Ancient Greek Discovery & Use of Mercury
Mercurius: Mystical Essence of Alchemy
Earthy & Mineral Hematite: Differences
Hematite: Iron Oxide Red Earth Pigment
How to Extract Red from Hematite: A Step-by-Step Guide
How to Make Hematite Pigment: A Step-by-Step Guide
Aqua Regia: The Green Lyon of Alchemy
How to Make Copperas Ferrous Sulfate: Process
Caput Mortuum: Dead Head Purple Pigment
Question of Alchemy in Ancient Rome
Famous Women of Ancient Rome
Status & Rights of Women in Imperial Rome
Roman Empire: Situation 300 AD
Venice Italy: Jewel of the Renaissance
Alchemy & Renaissance Glass: Antonio Neri