Gravity Dressing of Minerals Article about Gravity
Gravity dressing devices such as K. Frolovs gold washing machines, which were the prototypes of modern machines, were built in the 14th and 15th centuries. G. Agricola 16th century described gravity dressing in detail, and one of the first scientific groundings of the process was given by M. V. Lomonosov. Gravity dressing was used most extensively at the turn of the 20th century, when the






































