Replica of the first Morse telegraph, 1835
1934
1934
1934
1914-1918
1819
1908
1908
1930-1950
1807-1838
1867-1904
1905-1914
circa 1985
1701-1900
1830-1880
1900-1910
1970
circa 1970
circa 1970
1930-1940
1970-1972
1970-1972
1970-1972
1970-1972
1894
1930
1900-1930
1981
1864-1867
1889
circa 1900-1920
1890
1947
1820-1850
circa 1970
circa 1970
circa 1970
1840-1848
1960-1996
circa 1980
circa 1967-1968
1843
1966
1909
1988
1580-1589
1930-1940
1970-1972
1970-1972