Plane table outfit by Benjamin Cole
1750-1766
Combined graphometer and plummet clinometer, 1663.
1663
100 Link Steel Surveying Chain, 1784.
1784
‘Trans-Pac’ GPS receiver, 1990-1991
1990-1991
Magnifying stereoscope, 1940
1940
Surveyor's pocket sextant.
1795-1805
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Graphometer with magnetic compass
1710-1720
Simple theodolite
1600-1630
Simple theodolite
1600-1630
Telescope used by General Roy for measuring base line to link Paris and Greenwich
Pedometer by Spencer & Perkins
1775-1794
Theodolite used for the Principal Triangulation of Great Britain
1791
Brass reflecting circle.
1865-1871
DKMI model theodolite, Swiss, 1960-1965
1960-1965
Station-pointer 6 inch with 3 extension arms each 12 ins. long. Engraved "Potter
1870
Double-mirror heliotrope (Spiegelkreutz-heliotrop) for geodetic work
1822
Sextant-heliotype, as invented by C.F. Gauss
1827
Steel measuring wedge by Otto Fennel und Soehne
1910
6 inch altazimuth theodolite by W. & T. Gilbert
1840
Clinometer, German, 1850-1900
1850-1900
Nonien scale reading microscope
1914
Schatz scale reading microscope
1914
Transit theodolite, British, 1816-1850
1816-1850
Gentilli type tacheometer, Austrian.
1868-1876
Hypsometer, British, 1890-1893
1890-1893
Two foot geodetic theodolite, 1826-1828
1826-1828
Combined level & clinometer, German, 1755
1755
Mining compass in engraved ivory case, Italian, 17th century
1601-1700
Surveying aneroid barometer
1940
Raper type optical opposite, British, 1824-1834
1824-1834
McCallam's patent distance indicator, 1864
1864
Cross-head, 1690-1710
1690-1710
Circumferentor by J. Sisson of London
1731-1770
Azimuth Sighting Compass, British, 1818-1850
1818-1850
Magnetic compass, Italian, 1601-1700
1601-1700
Simple theodolite, English, 1690-1725
1690-1725
Bronze bench mark, American,1914
1914
Bronze triangulation mark, French, 1910-1914
1910-1914
Fenner type rangefinder, British, 1892
1892
Bronze triangulation station mark, Canadian, 1920
1920
Triangulation mark, French, 1914
1914
Sectioned display theodolite, Swiss, 1970
1970
Planimeter, by Stanley
1901-1950
Amsler planimeter
1901-1950
Eclimeter, British, 1910-1950
1910-1950
Station pointer
1801-1900
15 inch dumpy level by R.B. Bate
1801-1850
Box type pocket sextant.
1845-1850
Prismatic compass with bubble tube and small telescope, 1840-1863
1832-1840