
Brennan's Gyroscopic Mono-rail Car
1907
1907
1878-1879
1879
1903
circa 1897
1870
1895-1904
1890-1910
1862
circa 1871
1898
1903
1901-1910
1875
1880
1879
1775-1799 (original); 1900-1907 (model)
1871
1879-1896
1870
1905
1901
1910
1910
1896
1879
after 1903
1909
circa 1905
1898-1908
2000-100 BCE
1875-1885
1870s
1886
1934
1900
1880
1864-1900
1890-1910
1870-1890
1870-1910
1871-1900
1900-1909
1870-1910
1900-1910
1879
1870-1910
1895-1899
1900
1898-1900