D. Martin de Mayorga, Caballero del Orden de Alcántara, Mariscal de Campo de los Reales Exércitos de S.M. ... : Ningunos favorables efectos ha producido el Vando fecho á 18 de Noviembre de 1779, publicado en esta Capital, todos los Reales de Minas y todos los Lugares principales del Reyno ...
A previous declaration had been issued to expand the capabilities of mercury mines due to the importance of mercury in mining gold and silver. However, this effort was unsuccessful, and the continuing lack of mercury has caused the Royal Tribunal to halt the extraction of metals (and therefore the e...
Full description