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![]() | Natron (alchemy) A symbol from 17th century chemistry used to indicate natron. |
![]() | White lead (alchemy) An early chemical symbol used to indicate white lead. |
![]() | Mix (alchemy) An alchemical symbol indicating the process of mixing. |
![]() | Magnesia\Magnesium (alchemy) Resembling a trident, this sign is a 16th century chemical symbol for magnesia. |
![]() | Lime (alchemy) A symbol used to represent lime in early chemistry. |
![]() | Arsenic sulphate (alchemy) An alchemical and early chemical symbol for the compound arsenic sulphate. |
![]() | Gilded copper (alchemy) An 18th century symbol representing gilded copper, or cuprum auratum. |
![]() | Alcohol (alchemy) An early chemical symbol used to indicate alcohol or a wine spirit. |
![]() | Zinc (alchemy) An 18th century chemical symbol representing the metal zinc. |
![]() | Month (alchemy) An alchemical "time sign" used to indicate the period of a month. |
![]() | Spring (alchemy) An alchemical sign for spring. |
![]() | Wise man's sulphur (alchemy) A symbol used in 17th century chemistry to indicate a substance known as wise man's sulphur, or "soufre des philosophes" |
![]() | Hepar calcis (alchemy) An 18th century symbol for hepar calcis, more commonly known today as calcium sulfide (chemical symbol- CaS). |
![]() | Terra ponderosa (alchemy) A symbol from 18th century chemistry. |
![]() | Clay (alchemy) An 18th century chemical symbol for clay (also known as 'agrilla'). |
![]() | Coal (alchemy) A symbol used to represent coal (also known as 'carbo') in 18th century chemistry. |
![]() | Wind furnace (alchemy) An alchemical symbol indicating a wind furnace (also known as a wind forge). |
![]() | Melting furnace (alchemy) One of several alchemical symbols used to indicate a melting furnace. |
![]() | Hot water (alchemy) An alchemical symbol indicating hot or warm water. |
![]() | Saffron (alchemy) A symbol occasionally used by alchemists to indicate saffron. |
![]() | Zinc oxide (alchemy) A symbol used to indicate zinc oxide in chemical practices of the 18th and 19th centuries. |
![]() | Gilded silver (alchemy) An 18th century symbol representing gilded silver, or argentum auratum. |
![]() | Pulverize (alchemy) An 18th century chemical symbol used to indicate the process of pulverizing ("pulverisare") and the result of that process, powder ("pulvis") |
![]() | Fuse (alchemy) An 18th century chemical symbol indicating the process of fusing, or melting things together. |
![]() | Nitrogenous air (alchemy) An 18th century chemical symbol used to indicate nitrogen dioxide and other similar gasses. |