Filter by category:
Filter by group:
![]() | Magnesia\Magnesium (alchemy) Resembling a trident, this sign is a 16th century chemical symbol for magnesia. |
![]() | Magnesia\Manganese An 18th century chemical symbol representing both magnesia and manganese. |
![]() | Magnesia\Magnesium (alternate #1) A symbol used in early chemistry to represent magnesium. |
![]() | Magnesia\Magnesium (alternate #2) A 17th century alchemical sign used to indicate magnesium. |