
Baudot five key keyboard, 1897-1926
1897-1926
1897-1926
1934
1918-1920
1903
1901-1920
1903
1918
1920-1925
1900-1910
1901-1930
1952-3
1905
1830 (original); 1967 (model)
circa 1919
1915-1925
circa 1900
1898
1919
circa 1897
1928
1923
1897-1898
1801-1840 (original); 1901 (model)
1923
1901-1930
1900-1920
1909-1932
1910-1923
1911
1927
1917
1902
1896
1926
1901-1910
1899-1919
1915-1918
1895-1905
1920
1921-1931
1914-1916
1896-1920
1895-1905
1909-1910
1913
1934
circa 1900
1927
1900-1920
circa 1915