|
|
|
|
|
41a:29 ·
This sign was used for arsenicum sulphuratum, or auripigmentum, realgar, in eighteenth-century chemistry. See |
|
|
|
|
|
|
|
41a:29 ·
This sign was used for arsenicum sulphuratum, or auripigmentum, realgar, in eighteenth-century chemistry. See |
