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Zenith sector designed by Sir George Airy and used on Principal Triangulation from 1842-1850

Zenith sector, British, 1840

Surveying

1840
Hawk stereo projector, 1970s. With 2 boxes of trade literature and 11 cartons of trade literature

Hawk stereo projector, 1970s. With 2 boxes of trad

Surveying
Electrically illuminated liquid prismatic compass by Kelvin, Bottomley and Baird, early 20th century

Surveying compass, British, 1913-1920

Surveying

1913-1920
Stereoscope universal bar-parallax stereometer, with box, by J.M. Glauser and Sons Ltd., 1940-1948

Stereoscope universal bar-parallax stereometer, British, 1940-1948

Surveying

1940-1948
Topcon stereoscope by Tokyo Kogaku Kikai Co. Ltd., 1980s.

Topcon stereoscope by Tokyo Kogaku Kikai Co. Ltd.,

Surveying

1980-1989
Pocket double box sextant of 2½-inch radius, designed by Captain Christopher George (Trade Mark No.31) with two circular lacquered brass plates and two lids, by the company of, William Cary, Strand, City of Westminster, London, England, 1835-1845. Fitted with two Inlaid silver scales 135° and 123° (-5° to 150°) with 30 arc-minute divisions and a silver vernier with 1 arc-minute divisions and index arms rotated by milled knobs on the upper and lower plates. The index glass is fixed with adjustment for the horizon glass and a single lens magnifier is hinged on a swivel arm (40 mm) with choice of large and small pinholes

Double box sextant.

Surveying

1835-1845
Clinometer, serial no.3061 with leather case marked Matthews & Sons 1907, made by F. Barker & Sons, London, 1906. Owned by Paske (Diameter 72 mm)

Clinometer in case, 1906-1907

Surveying

1906-1907
Pocket box sextant with leather carrying case (damaged), made by Elliott Brothers, 30 Strand, City of Westminster, London, England. 1855-1865. Consists of two circular lacquered brass plates with lid that acts as a handle when used. Fitted with Inlaid silver scale (-5° to 165°) with 30' divisions and a silver vernier (1' div.). The index arm is rotated by a milled knob on the upper plate with two filter shades (red & green) operated by lever. The index glass is fixed with adjustment for the horizon glass. Fitted with magnifier (single lens) on hinged 40 mm swivel arm and choice of a large and a small pinhole. Marked 'Walter I. Tatham' on lid (possibly owner).

Box type pocket sextant with case.

Surveying

1855-1865
Slotted template cutter, Type SA3, by W Ottway & Co. Ltd, Ealing, no.58468

Slotted template cutter

Surveying

1960
4-inch mining transit theodolite by W. F. Stanley & Co. Ltd, London, Englandl, 1906. With box and tripod.

Mining transit theodolite, 1906

Surveying

1906
Linen tape in bakelite casing, 20 metres, manufactured by J. Chesterman & Co. Limited, Sheffield, England, 1951-1960

Linen 20-metre tape, British, 1951-1960

Surveying

1951-1960
Cast iron first order bench mark, Nivellement General de la France, French, 1910-14.

Cast iron bench mark, French, 1910-1914

Surveying

1910-1914
Microptic surveying level with field and display tripod by E.R. Watts & Son Ltd, London, England, 1946.

Microptic surveying level, British, 1946

Surveying

1946
Optical range-finder, arranged for gallery demonstration, c.1940s

Optical range-finder, arranged for gallery demonst

Surveying
Reproduction of a Roman groma, based on one excavated at Pompeii, 1st century AD

Reproduction of a Roman groma

Surveying

1-79 CE; before 1923
12 inch Everest pattern geodetic theodolite by T. Cooke and Sons, 1884. With part.

12 inch Everest pattern geodetic theodolite by T.

Surveying

1884
Labbez type telemeter No.712 in case, with reel of twine, unsigned, British, 1895

Labbez type telemeter, British, 1895

Surveying

1895
'Sketcher' plane table board, to carry butt-joint plates for updating the survey in the field, unsigned, British, 1950-1959

'Sketcher' plane table board, British, 1950-1959

Surveying

1950-1959
"Permaline" 26/8', 20 metre measuring tape with box by Rabone Chesterman Limited, England, 1977

'Permaline' measuring tape, British, 1977

Surveying

1977
MRA 101 tellurometer set made by Plessey, serial no. 822, 1965-75.

Model MRA 101 tellurometer, 1965-75

Surveying

1965-1975
Prismatic magnetic compass by John Dover, London & Charlton, England, 1851-1865

Prismatic compass, 1851-1865

Surveying

1851-1865
Transit theodolite, 3 inch, by L. Casella, Holborn, London, England, 1892

Transit theodolite, British, 1892

Surveying

1892
`Redta' 002 reducing Tachymeter by Carl Zeiss of Jena, serial no.137435, cased, c.1940 with another, similar, serial no.129583, with instruction booklet

`Redta' 002 reducing Tachymeter by Carl Zeiss of J

Surveying

1940
Prismatic astrolabe, including sighting telescope, base, main stand and accessories, including prisms, designed by Claude and Driencourt, made by Jobin, c. 1900. Objects in fitted wooden cases.

Prismatic astrolabe, French, 1895-1905

Surveying

1895-1905
"Multiped" pedometer with adjustable pace length with case, scales in miles and kilometers, and clip attachment. Made in West Germany, c. 1984. Diameter 41mm. Supplied by Pedometers International, Daventy, England

'Multiped' Pedometer, 1982-84

Surveying

1982-1984
Prismatic marching magnetic compass, in leather case, unsigned, British, 1920-1940

Prismatic marching magnetic compass, British, 1920-1940

Surveying

1921-1940
70mm reconnaissance camera S36, type 360-140A by W Vinten Ltd, of Bury St Edmunds, c1960s [S36].

70mm reconnaissance camera S36, type 360-140A by W

Surveying

1960-1970
Paulin aneroid barometer, c. 1950. In Case.

Paulin aneroid barometer, c. 1950. In Case.

Surveying

1950
Douglas type reflecting protractor without caseby the Cary family, London, England, 1811-1825.

Douglas type reflecting protractor, British, 1811-1825

Surveying

1811-1825
Everest type theodolite, 4-inch, by Troughton & Simms, London, England, 1875-1899

Everest type theodolite, British, 1875-1899

Surveying

1875-1899
Micrometer transit theodolite (sectioned), 3.5-inch, in clear plastic display case, and storage box by E. R. Watts & Son, London, England, 1926.

Sectioned micrometer transit theodolite, 1926

Surveying

1926
Simple theodolite, with box, trade card and brass parts, by James Search of London, 1771-1781

Simple theodolite and case, 1771-1781

Surveying

1771-1781
Radical line plotter by Hilger & Watts, No.101126, 1950-1970

Radical line plotter by Hilger & Watts, No.101126,

Surveying

1950-1970
Blaupunkt RNS 149 TravelPilot GPS system for use in car. The GPS-based built-in navigation system gives turn-by-turn guidance with natural-sounding voice output.

Blaupunkt RNS 149 TravelPilot GPS system for use i

Surveying

1999
Autoset surveying level, prototype, with case by Hilger & Watts Ltd, Debden, Essex, England,1957

'Autoset' Surveying Level, 1957

Surveying

1957
Theodolite, DKM2 model, by Kern & Co. AG, Aarau, Switzerland, serial no. 128593, in carrying case, no tripod, early 1960s. Height (cased) 270 mm, Width (case) 122mm, Length (case) 160mm, Length (telescope) 169mm.

Model DKM2 theodolite, 1960-1965

Surveying

1960-1965
DI 10 Distomat by Wild Heerbrugg A.G., Switzerland, c.1970. (Infra-red electronic distance measuring equipment comprising optics and power pack, serial no.0482. Optics case: 320x160x420cm; power pack: 360x170x415cm)

DI 10 Distomat by Wild Heerbrugg A.G., Switzerland

Surveying

1970
Land surveying chain measure with leather strap, by J. Chesterman & Co. Ltd., Sheffield, England, 1900-1910.

Surveyor's steel measuring chain, British, 1900-1910

Surveying

1900-1910
14" Canadian Pattern Y-level, by E.R. Watts and Son, c. 1920

14" Canadian Pattern Y-level, by E.R. Watts and So

Surveying

1920
Mast height range keeper, designed by Forbes, 1906

Mast height range keeper, designed by Forbes, 1906

Surveying
Two leather cases containing brass reels to twins (telemeters missing), by J. H. Steward, Strand, London, England, 1890-1910

Leather cases for telemeter, British, 1890-1910

Surveying

1890-1910
Bench for manufacturing of surveying levelling staves

Bench for manufacturing of surveying levelling sta

Surveying
Clinometer with 20 inch telescope, by Richer

Clinometer with telescope

Surveying
Circumferentor by Fraser, London, late 18th century

Circumferentor by Fraser, London, late 18th centur

Surveying
Levelling staff, 1914

Levelling staff, 1914

Surveying

1914
Dummy unit of Magellan Global Positioning System (GPS) Trailblazer XL hand-held system, 1997

Dummy unit of Magellan Global Positioning System (

Surveying

1997
Demonstration of the principle of survey levelling

Demonstration of the principle of survey levelling

Surveying

1970-1975
Wild GBL 2 metre subtense bar, for indirect distance measuring, c.1970s, cased

Wild GBL 2 metre subtense bar, for indirect distan

Surveying
Tape, 6-foot, by J. Chesterman & Co. Limited, Sheffield, England, 1923-1928

6-Foot tape measure, British, 1923-1928

Surveying

1923-1928
Boxwood and nickel silver folding rule clinometer with magnetic compass and spirit level and case, by Elliott Brothers, 56 Strand, London, England, 1856-1862.

Folding rule clinometer with case, 1856-1862

Surveying

1856-1862