Use of Railway Telephones by Military Authorities
1941
1941
1934
1946
1919
1855-12-15
1901-1903
Nov 1950
1903
1903
1949
1902
1903
1902
1882
1901
1903
1902
1901
1903
1903
1902
1902
1902
1902
1902
1901
1912
1901
1849
1944
1951
1860
1860
1946
1926-05
circa 1948
1947-12
1935-01-01
1866
1947
1967
1903
1903
1903
1903
1903
1903