Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Recovery of values in dredge and placer tailings
Calls attention to the amount of gold lost in dredging and indicates a method of saving by the use of electro-chemical mercury riffles. (1500 w.) (No. 13717 A)
Recovery of values in dredge and placer tailings
Calls attention to the amount of gold lost in dredging and indicates a method of saving by the use of electro-chemical mercury riffles. (1500 w.) (No. 13717 A)
Recovery of values in dredge and placer tailings
Min Jour
Carey, Elmer Ellsworth (Autor:in)
1910
Aufsatz (Zeitschrift)
Englisch
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