Ramsbottom speed indicator
1860
1860
1855
1858
1854
circa 1861
1934
1858
1860
1854
1857
1857-1858
1858
1851
1857-1858
1858-03-02
1857-1858
1853
1852
1858
1851
1955; 1830
1851
1855-1860
2000-100 BCE
1855
1856
1893-4
1863-7
1853
circa 1854
circa 1854
1855
1859
1860
circa 1861
circa 1860
before 1857
1854
1860
1772 (original); 1919 (model)
1853-1857
1855
1852
1930 (replica); 1834 (original)
1855
1986 (replica); 1501-1600 (original)
1934
1857
after 1859
1851