Archimedes
Archimedes D (1915-1930) Archimedes NE (1945-1957) Archimedes NH (1945-1956)
Burkhardt
Burkhardt Arithmometer 1903 (1880-1910) Burkhardt Arithmometer 1903 Burkhardt Arithmometer 1929 Burkhardt Arithmometer 1929
Monroe
Monroe G 1920 Monroe L160X 1926- Monroe LA1307 1930-
Nisa
TIM (Time is money) von Ludwig Spitz
TIM III 1916 (1910-1929) TIM III mit Tasten 1918 (1910-1929) TIM Unitas II 1921 (1914-1929) TIM 1 miniatur 1929 (1929-1935)
Diverse
Badenia -Klein 1928 Lindström Record (1914-1929) Rheinmetall 1e 1937 (1926-1945) Brunsviga 10 1934 (1932-1943) Brunsviga 11E (1951-1960) Madas 20 BTZG (1959 – 1968)
