What is one who, or that which, amalgamates. Specifically: A machine for separating precious metals from earthy particles by bringing them in contact with a body of mercury with which they form an amalgam called?

amalgamator — One who, or that which, amalgamates. Specifically: A machine for separating precious metals from earthy particles by bringing them in contact with a body of mercury with which they form an amalgam. (Webster's 1913.)

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