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'Sitesquare' optical square, British, 1959

1959

Automatic building level, British, 1957

1957

Pilot balloon theodolite

Theodolite with case

Infrared spectrophotometer

1954

Microptic theodolite

1970

Watts helix current meter in box with accessories by Hilger & Watts Ltd

1948-1960

Ewing Stadialtimeter

1955

Microptic transit theodolite, 1954

1950-1954

Stabilizer unit for autoset level

1959

High visibility precision target by Hilger & Watts Ltd

1943-1948

theodolite, numbered 122186

1970

Helix current meter by Hilger & Watts Ltd

1960-1965

H1200 Infragraph infrared spectrophotometer

1970-1996
Theodolite tripod, by Hilger and Watts, London c.1959

Theodolite tripod

1954-1964
Theodolite, cased, No.117682, by Hilger and Watts, London, 1959.

Theodolite, cased, No.117682

1959
Vertical measuring machine - Hilger & Watts Ltd, Microptic, with transformer, serial no. 96967

Vertical measuring machine - Hilger & Watts Ltd

Hilger & Watts Model E 612 Raman Spectograph

Hilger & Watts Model E 612 Raman Spectograph

Uvispek photoelectric spectrophotometer serial no. H700.308./59384 by Hilger & Watts Ltd, with two power packs one by Hilger and Watts Serial no. FA 4H/544 and one by Hilger

Uvispek photoelectric spectrophotometer serial no. H700.308./59384 by Hilger & Watts Ltd

1959
Photoelectric autocollimator in case with separate measuring meter and sine wave generator , by Hilger & Watts Ltd

Photoelectric autocollimator in case with separate measuring meter and sine wave generator

Instruction Manual [i.e. electrical and mechanical manuals in use in the drawing offices of the Aberdeen Works of Hilger & Watts Ltd., Highbury Grove, London. ca.1970. 1 vol.]

Instruction Manual, Aberdeen Works of Hilger & Watts Ltd.

circa 1970
Hilger-Watts spectrometer plus power pack, instructions and accessories (sample holders, quartz)

Hilger-Watts spectrometer plus power pack

Microptic photoelectric polarimeter (cat no. M511) by Hilger & Watts Ltd, 1961

Microptic photoelectric polarimeter (cat no. M511) by Hilger & Watts Ltd

1961
Autoset surveying level, prototype, with case by Hilger & Watts Ltd, Debden, Essex, England,1957

'Autoset' Surveying Level, prototype, with case, 1957

1957
Two brackets and eyepieces, one with micrometer, for measuring precision survey tape, both leather cased, by Hilger & Watts Ltd, circa 1960

Two brackets and eyepieces

1960
Double quartz plate holder associated with a Raman spectrograph model E612.304 by Hilger and Watts, England, 1959

Double quartz plate holder associated with a Raman spectrograph model E612.304 by Hilger and Watts

1959
Chromatometers, metal, by Hilger & Watts Ltd, London, with two prisms, English, 1948-1960

Chromatometers, metal, by Hilger & Watts Ltd

1948-1960
Spekker Photo-electric absorptiometer no.H 810/1/387, with instruction booklet for variety of absorptiometers, by Hilger and Watts Limited, St. Pancras Way, London, NW1, England, 1948-1969.

Spekker Photo-electric absorptiometer no.H 810/1/387

1948-1969
Ebert grating spectrograph E543 by Hilger & Watts Ltd., London, 1967-1968

Ebert grating spectrograph E543 by Hilger & Watts Ltd.

1967-1968
Hilger Recording X-Ray Spectrometer model Y115. Made by Hilger & Watts Ltd. in 1953-4

Hilger Recording X-Ray Spectrometer model Y115. Made by Hilger & Watts Ltd. in 1953-4

Abbe-type refractometer no.M46313 49340 made by Hilger & Watts Ltd (Hilger Division) 98 St. Pancras Way, Camden Road, London NW1, 1949, in wooden case

Abbe-type refractometer no.M46313 49340 made by Hilger & Watts Ltd (Hilger Division) 98 St. Pancras Way

1949
Original photogrammetric plotting machine designed by Prof. E.H. Thompson, made by Hilger and Watts, 1953-1954

Original photogrammetric plotting machine designed by Prof. E.H. Thompson

1953-1954
Original photogrammetric plotting machine designed by Prof. E.H. Thompson, and box of glass photo plates, made by Hilger and Watts, United Kingdom, 1953-1954

Original photogrammetric plotting machine designed by Prof. E.H. Thompson

1953-1954
Infrared spectrometer, Hilger & Watts Ltd, H 800 double beam model, c. 1955

Infrared spectrometer

1955
Hilger & Watts Spekker photoelectric absorptiometer, with accompanying desk and equipment from Dunlop's Cambridge chemical laboratory.

Photoelectric absorptiometer

circa 1940s-circa 1950s
Box of glass photo plates from the original photogrammetric plotting machine designed by Prof. E.H. Thompson, made by Hilger and Watts, United Kingdom, 1953-1954

Box of glass photo plates from the original photogrammetric plotting machine designed by Prof. E.H. Thompson

1953-1954
Interferometer for the testing and correction of prisms. Includes wooden stand, cast base, collimator, telescope, three mirror assemblies, camera and steel cover. Condition good. Made by Hilger & Watts Ltd., 98 St. Pancras Way, Camden Road, London, NW1, England, 1950-1959.

Interferometer for the testing and correction of prisms

1950-1959
Graphite electrode shaper model F1520 by Hilger and Watts

Graphite electrode shaper model F1520

Camera model E614.301, associated with a Raman spectrograph model E612.304 by Hilger and Watts, England, 1959. Serial no.61288

Camera model E614.301

1959
Camera model E613.301, associated with a Raman spectrograph model E612.304 by Hilger and Watts, England, 1959. Serial no.57236

Camera model E613.301

1959
Spectrum Projector Model L89 by Hilger and Watts

Spectrum Projector Model L89 by Hilger and Watts

Hilger & Watts Ltd, H800 Infrared Spectrophotometer. Electronic console dismantled and accessories

Hilger & Watts Ltd, H800 Infrared Spectrophotometer

[Historical company material, chiefly academic papers by staff / Adam Hilger Ltd. and Hilger & Watts Ltd. 1905-1968. 2 boxes + 13 vols. Listing available. See also inv. no. 1986-273]

Historical company material, Adam Hilger Ltd

1905-1968
B.N.F. spectrographic light source unit by Hilger & Watts Ltd

B.N.F. spectrographic light source unit

Atomic absorption attachment H1100 for use with Uvispek H 700, both by Hilger & Watts Ltd, with five hollow cathode lamps

Atomic absorption attachment H1100 for use with Uvispek H 700

E 478 quartz spectrograph with accessories used in the analysis of coal ash samples, 1950s

E 478 quartz spectrograph with accessories used in the analysis of coal ash samples

1950
Raman spectrograph model, two cameras and double quartz plate holder by Hilger and Watts, England, 1959

Raman spectrograph model E612.304 by Hilger and Wa

1959
Uvispek photoelectric spectrophotometer, Hilger & Watts Ltd, London

Uvispek photoelectric spectrophotometer

1958
Microptic alidade by Hilger & Watts Ltd, no.219565, HO 11, cased, in canvas carrying case, with tripod, Debden, Essex, England, 1956-1959

Microptic alidade, British, 1956-1959

1956-1959
Raman spectrograph model E612.304 by Hilger and Watts, England, 1959. Serial no. 59289

Raman spectrograph model E612.304 by Hilger and Watts

1959