Addac adding machine
1926
1926
circa 1910
1920-1925
1917
1887-1903
circa 1927
circa 1930
1915
About 1890
1913
1914-1918
1898-1908
1890-1910
1921
1926
1902-1907
1892
1927
1934
1901-1910
1915
1906
1883-1930
1923
1924-1927
1914-1918
1928
circa 1897
after 1903
1918-1922
1927
1915
1895
1904-1914
1908
circa 1930
1918
1901
1914-1920
circa 1900
1920-1929
1912
1909
1884
1900
1899
1905
1888
1890
1900-1930