Monighetti started his career as a fashionable architect by designing a cluster of villas in Tsarskoe Selo, notable those for Princess Yusupov and Prince Bagration.
Pyotr Bagration | Operation Bagration | Catherine Bagration | Bagration | David Bagration of Mukhrani |
The solubility of gold in a water and cyanide solution was known by 1783 (Scheele), by Bagration in 1843 and Elsner in 1846 who recognized the necessity of oxygen in the process, (a method of exctraction by chlorination (Plattner) considered during 1848 proved uneconomical) this prior to the discovery of an economical method of treatment with potassium cyanide by J.S. MacArthur (with R. and, or, W. Forrest).