Image
Category
Collection
On Display
Object type
Maker
Place of origin
Date

100 Link Steel Surveying Chain, 1784.

1784

‘Trans-Pac’ GPS receiver, 1990-1991

1990-1991

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

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

Magnifying stereoscope, 1940

1940

Surveyor's pocket sextant.

1795-1805

Graphometer with magnetic compass

1710-1720

Pocket aneroid barometer, unsigned, in case

Galton sun signal by Potter

1851-1900

14" Canadian Pattern Y-level

1920

Cooke Tavistock theodolite by Vickers Instruments

6 inch altazimuth theodolite by W. & T. Gilbert

1840

Heliograph by Cary, c.1830

1830

Cross head with compass and side-mounted spirit level

1850-1899

Schatz scale reading microscope

1914

Double-mirror heliotrope (Spiegelkreutz-heliotrop) for geodetic work

1822

Sextant-heliotype, as invented by C.F. Gauss

1827

Surveying aneroid barometer

1940

Field aneroid barometer

McCallam's patent distance indicator, 1864

1864

Altitude instrument patented by W. Barclay, 1825

1825

7 inch altazimuth theodolite by Thomas Jones

1801-1850

Repeating Theodolite

1875

Paulin aneroid barometer, c. 1950. In Case.

1950

Set of six targets with backing plates

1960

Microptic theodolite

1970

5-inch transit theodolite

1944

Brass cross-head and compass, 1800

1800

Wooden foot rule, farmers staff

Brass bubble-tube level by Davis, 1894

1894

Dummy unit of Magellan Global Positioning System (GPS) Trailblazer XL hand-held system

1997

Aneroid Barometer, graduated in centibars, for land use

Gyro azimuth circle

circa 1947

Everest theodolite

circa 1855

Octagonal brass crosshead with compass

1850-1900

Level by Cooke Troughton and Simms Ltd of York

1970-1975

Layers of black card forming early model of micromap

Layers of grey card forming early model of micromap

Hydrographic station mark

1920

Metallic blue version of Mk I Micromap (labelled 31).

Polystyrene shape for micromap

Curved sheet of translucent plastic with rivetted lens

Card and vacuum formed acrylic model trialling method of opening case for Micromap

Black version of Mk I Micromap with black and grey speckled top