Filter by category:
Filter by group:
 | Hour (alternate #1) In 17th century French alchemical practices, this symbol was a "time sign" used to represent the period of an hour. |
 | Lead (alternate #3) In alchemy, lead is most commonly represented by the astrological sign for the planet Saturn (for full details, see the symbol for 'Lead'), but this symbol serves the same purpose. |
 | Scared people A sign from the French hobo system indicating that the people at this location are easily frightened. |
 | Sulfuric acid (alternate) A sign used to indicate sulfuric acid in the early days of chemistry. |
 | Magnesia\Magnesium (alternate #2) A 17th century alchemical sign used to indicate magnesium. |
 | 24 hours (alchemy) Combining the discipline's own symbols for day and night, this alchemical time sign represents a period of 24 hours. |
 | Rotting (alchemy) A sign used in alchemy to indicate the process of rotting, or putreficatio. |
 | Melt (alchemy) A sign used in alchemy to indicate melting, fusion or making something into a liquid form. |
 | Vinegar (alternate) In Christianity, this type of sign is known as a crutch cross. In alchemy it is one of several signs indicating vinegar. |
 | Magnesia\Magnesium (alchemy) Resembling a trident, this sign is a 16th century chemical symbol for magnesia. |
 | Lime (alternate #3) A sign used in early chemistry to represent lime. |
 | Distillation (alternate #3) In 18th century chemistry, this sign indicated the process of distillation. |
 | Lead (alternate #4) In alchemy, lead is most commonly represented by the astrological sign for the planet Saturn (for full details, see the symbol for 'Lead'), but this symbol serves the same purpose. |
 | Tartar A sign used to indicate tartaric acid salt in 18th century chemistry. |
 | Tartar (alternate #1) A sign used to indicate tartaric acid salt in 17th century chemistry. |
 | Tartar (alternate #2) An alchemical sign for tartaric acid salts. |
 | Summer An old Germanic sign for the season of Summer, used in clog almanacs. |
 | Month (alchemy) An alchemical "time sign" used to indicate the period of a month. |
 | Spring (alchemy) An alchemical sign for spring. |
 | Sal sedativus In 18th century chemistry, this sign indicated sal sedativus or calming salt (its name has the same root as "sedative"), a boracic acid substance. |
 | Lead (alternate #5) In alchemy, lead is most commonly represented by the astrological sign for the planet Saturn (for full details, see the symbol for 'Lead'), but this symbol serves the same purpose. |
 | Vinegar (alternate #3) An early chemical sign for acetum (i.e. vinegar). |
 | Hot fire (alternate) A sign used in alchemy to represent a particularly intense flame. |
 | Lead (alternate #6) In alchemy, lead is most commonly represented by the astrological sign for the planet Saturn (for full details, see the symbol for 'Lead'), but this symbol serves the same purpose. |
 | Nice people A French hobo sign indicating that nice people live here. |
