Bonwill electromagnetic mallet
1880-1890
Southwick type automatic mallet
1937
Automatic mallet
Abbott automatic mallet
1890-1920
Southwick's automatic mallet
Engine driven automatic mallet
1925-1955
Automatic mallet
1920-1940
Engine driven automatic mallet
1901-1930
Automatic mallet
1930-1955
Contra angle engine driven automatic amalgam mallet
1970-1979
Power's engine-driven automatic mallet
1885-1914
Bonwill electromagnetic mallet
1880-1890
Automatic mallet "Lewis Plugger No.8" vulcanite and nickel plated brass
Abbott automatic mallet
1880-1930
Engine driven automatic mallet
1925-1940
Automatic mallet
1887-1900