Amalgam mixer, electric, No. 2, by the S.S. White Dental Manufacturing Co., USA, 1935-1955 Amalgam mixer
Engine driven amalgam mixer, for no.2 slip joint, nickel plated brass with vulcanite grip, by the Amalgamated Dental Co., England, 1926-1940 Engine driven amalgam mixer 1926-1940
Electric amalgam mixer, the S.S. White Amalgamator No.1, by the S.S. White Co. of Great Britain Ltd., England, 1950-1960 Electric amalgam mixer 1950-1960
Engine driven amalgam mixer, unsigned, probably English, 1950-1965 Engine driven amalgam mixer 1950-1965