Theodolite used for the Principal Triangulation of Great Britain
1791
Magnifying stereoscope, 1940
1940
‘Trans-Pac’ GPS receiver, 1990-1991
1990-1991
100 Link Steel Surveying Chain, 1784.
1784
Surveyor's pocket sextant.
1795-1805
Pedometer by Spencer & Perkins
1775-1794
Combined graphometer and plummet clinometer, 1663.
1663
Plane table outfit by Benjamin Cole
1750-1766
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Simple theodolite
1600-1630
Simple theodolite
1600-1630
Telescope used by General Roy for measuring base line to link Paris and Greenwich
Microptic transit theodolite, 1954
1950-1954
Groma, roughly made
200-1 BCE
Tachymeter-theodolite, "Theo 020"
1970
'Sitesquare' optical square, British, 1959
1959
Gunter type measuring chain
1857-1865
Waywiser by W. Harris and Co.
1816-1835
Planimeter, by Stanley
1901-1950
Tellurometer for EDM (Electronic Distance Measurement), 1957-1962
1957-1962
Altazimuth theodolite, British, 1725-1747
1725-1747
Plane table outfit including alidade
1801-1830
Repeating Theodolite
1875
Pedometer signed 'PVP', 1880-1920
1880-1920
"Ni 007" level
1970
Angle iron to support levelling staff at bench mark
1914
Surveyor's measuring chain, British, 1923-1933
1923-1933
BRT 006 Basis-Reduktions-Tachymeter
1976
Simple theodolite, Italian, 1676
1676
Watkin type clinometer, British, 1897-1900
1897-1900
Mining compass in engraved ivory case, Italian, 17th century
1601-1700
Magnetic compass, European, 1700-1730
1700-1730
Model MRA 101 tellurometer, 1965-75
1965-1975
Mining dial by J. Casartelli of Manchester
1871-1900
De Lisle reflecting clinometer, British, 1900-21
1900-1921
Ten second Kern DKM1 transit theodolite
1971
Surveying aneroid barometer
1900-1920
Combined Abney Level and Clinometer, 1875-1885
1875-1885
5-inch transit theodolite
1944
Transit theodolite, British, 1816-1850
1816-1850
Two foot geodetic theodolite, 1826-1828
1826-1828
100-Foot invar tape measure, British, 1912
1912
100-Foot tape measure, British, 1928
1928
Improved Patent Portable Theodolite
1818-1826
Field clinometer, British, 1916
1916
Level by Cooke Troughton and Simms Ltd of York
1970-1975
Surveying quadrant, 1674.
1674
Prismatic magnetic compass, British, 1826-1876
1826-1876
Level No. II by Carl Zeiss Jena
1928
