‘Trans-Pac’ GPS receiver, 1990-1991
1990-1991
100 Link Steel Surveying Chain, 1784.
1784
Combined graphometer and plummet clinometer, 1663.
1663
Plane table outfit by Benjamin Cole
1750-1766
Telescope used by General Roy for measuring base line to link Paris and Greenwich
Magnifying stereoscope, 1940
1940
Graphometer with magnetic compass
1710-1720
Pedometer by Spencer & Perkins
1775-1794
Simple theodolite
1600-1630
Altazimuth theodolite by Benjamin Cole & Son
1755-1765
Simple theodolite
1600-1630
Theodolite used for the Principal Triangulation of Great Britain
1791
Surveyor's pocket sextant.
1795-1805
Total Station surveying instrument, Swiss, 1975-1979
1975-1979
Telescope with equatorial mounting
1701-1800
Hypsometer, British, 1890-1893
1890-1893
SiRF Inc. complete GPS receiver, 1999
1999
Mechanical Programme Finder for use with 45 degree Prismatic Astrolabe, by Cooke, Troughton and Simms
1930-1940
Photogrammetric plotting device, 1910-1920
1910-1920
Tape measure, British, 1981-1985
1981-1985
Patent telemeter, British, 1910-1920
1910-1920
Transit theodolite, British, 1816-1850
1816-1850
Traveller's compendium: hinged compass, magnifying lens, dark lens and sundial
Traveller's pocket instrument containing compass
1851-1900
Cross-head, 1690-1710
1690-1710
Surveyor's compass, British, 1820-1830
1820-1830
Planimeter, by Stanley
1901-1950
Amsler planimeter
1901-1950
300- foot tape measure, 1928
1928
Station pointer
1801-1900
Five inch brass station pointer
1851-1900
Rustless scale, 1ft, by J. Chesterman, c. 1928
1928
Pocket altimeter
1850-1900
Plane table in canvas carrying case
1971-1980
Set of tools for Tavistock theodolites
1951-1960
Ten inch station pointer by William Cary
1801-1851
Plane table supplied by supplied by Carl Zeiss
1928
"UNIQUE" electrical slide rule
1950-1955
Stadiometer (telemeter), Blakey type, British, 1825-1835
1825-1835
Surveyor's plane table outfit, 1881-1890
1881-1890
Surveyor's steel measuring chain, British, 1900-1910
1900-1910
50-Foot tape measure, British, 1914
1914
Circular protractor, British, 1800-1819
1800-1819
Brass components
1827
Component of Colby's compensation bar
1827
Gunter type measuring chain
1857-1865
Prismatic compass with bubble tube and small telescope, 1840-1863
1832-1840
Patent prismatic clinometer, British, 1810 -1826
1810-1826
Box of small miscellaneous hand tools
1930-1934
Printed circuit board
1985-1992