Prussic Acid, a name given to Hydrocyanic Acid (q.v.) because it was first obtained from Prussian blue.
Prussic Acid,
Chambers's Encyclopaedia, Volume 8: Peasant to Eoumelia, p. 467
Source scan(s): p. 0476
Prussic Acid, a name given to Hydrocyanic Acid (q.v.) because it was first obtained from Prussian blue.