By exposure, during some weeks, to light, it becomes, first yellow, and then orange, retaining its chemical properties. ... constitute a class of bodies, which are not more interesting from their application to the common arts of life, than from the facts which they contribute to ... Arsenic - - 12. Cobalt - - agt;Known since the remotest antiquity. - Known to Paracelsus, who died - - 1541 - Described by Agricola 1520anbsp;...
|Title||:||The Elements of Experimental Chemistry|