This impressive range of instruments charts the history of land measurement and map-making, from the 17th century up to more recent developments such as stereoplotting, remote measurement, GPS and map digitisation.
1990-1991
1663
1784
1750-1766
1755-1765
1940
1775-1794
1600-1630
1791
1795-1805
1800
1958
1928
1950
1910
1968-1972
1850-1900
circa 1855
1970-1975
circa 1947
1920
1864
1875
1950-1955
1827
1849-1851
1801-1850
1840
1901-1950
1970
1851-1900
1960
1930-1934
1944
1999