![](https://coimages.sciencemuseumgroup.org.uk/15/70/large_thumbnail_pic_1890_87.jpg)
Ramsbottom speed indicator
1860
1860
1934
1860
circa 1860
2000-100 BCE
1893-4
1863-7
1955; 1830
1860
1859
1990-96
1860
1930 (replica); 1834 (original)
after 1859
circa 1860
1934
1839 (original); circa 1988 (replica)
1775-1799 (original); 1900-1907 (model)
1860
1860
1772 (original); 1919 (model)
4000-2001 BCE
1860
circa 1860
c1860
1705-1737
1859
1870-1877
1830 (original); 1967 (model)
1801-1840 (original); 1901 (model)
circa 1860
1860
circa 1860
1859
1860
1825; 1910
30 CE
30 CE
2686-2613 BCE
1859; 1986
1888-185
1945-50
1860
1860
1370-1350 BCE; 1931
1931; 250 BCE
1370-1350 BCE; 1931
2000-1000
1972-3
circa 1860