
Demonstration piece form Brunsviga calculating machine by Brunsviga Maschinenwerke AG
1950-1955
1950-1955
1892-1893
circa 1958
1935
1929
1925-1935
1927-1937
1943-1953
1780-1820
1781-1820
1860
1929-1939
circa 1958
1909-1919
1927-1937
1936-1950
1945-1955
1925-1935
1948
1922-1932
1972-1982
1920
1945-1953
1875-1885
1880-1890
1820-1840
1780-1830
1790-1815
1899
1933
1931
1922-1932
1939
1933
1955
1956
1933
1938
1932
1925-1935
1925-1935
1930
1922
1923
1917-1927