![](https://coimages.sciencemuseumgroup.org.uk/32/47/large_thumbnail_1963_0058.jpg)
Tachometer for electronic Chernikeeff log, England, 1953-1963
1953-1963
1953-1963
1940
1861-1873
1861-1873
1770-1820
1950
circa 1980
1861-1873
1953-1963
circa 1980
1805-1873
1973
1770-1810
1849-1851
1946
1971
1958
1965-1966
1876-1906