Interior view of the Pachuca-Real del Monte silver electrolysis, ca. 1935.
Pachuca de Soto, Pachuca Municipality, Hidalgo, Mexico
The accurate weighing of the gold and silver bullions, ca. 1935. Vintage real photo, photographer unknown. The Pachuca-Real del Monte mining district is the largest silver producer in the world on an area of only 100 square kilometers and has a total production since 1550 of about 50,000 tons silver and 220 tons of gold.
G. Grundmann ...
© Günter Grundmann, Detmold, Germany