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Hilger wavelength spectroscope, with camera, London, England, 1919

Hilger wavelength spectroscope, with camera, London, England, 1919

1919
The first Michelson Echelon Grating made in Europe with diffraction grating and 15 plates

The first Michelson Echelon Grating made in Europe with diffraction grating and 15 plates

1899
Heliostat with spring driven clock drive for use with table top spectrometers by Adam Hilger Ltd.

Heliostat with spring driven clock drive for use with table top spectrometers by Adam Hilger Ltd.

1919
Spectrum comparator

Spectrum comparator

1928
Michelson interferometer

Michelson interferometer

1900-1910
Corner cube reflector prism in brass mount

Corner cube reflector prism in brass mount

1920-1930
Adjustable slit for use with spectroscope

Adjustable slit for use with spectroscope

Liquid refractometer by Hilger, London, 1948

Liquid refractometer by Hilger, London, 1948

1948
Measuring micrometer made by Adam Hilger Ltd, 1939

Measuring micrometer made by Adam Hilger Ltd, 1939

1939
Quartz and Glass Littrow Type Spectrograph by Adam Hilger Ltd.

Quartz and Glass Littrow Type Spectrograph by Adam Hilger Ltd.

Abbe Refractometer, used by Horace Dall

Abbe Refractometer, used by Horace Dall

1918-1920
Spectro-photometer

Spectro-photometer

1900-1980
Polarimeter by Adam Hilger Ltd.

Polarimeter by Adam Hilger Ltd.

Concave diffraction grating on speculum metal

Concave diffraction grating on speculum metal

1910-1948 (estimated)
Spectroscope Mounted on Wooden Shaft

Spectroscope Mounted on Wooden Shaft

Low-Hilger audiometer

Low-Hilger audiometer

1924
Fluorite Prism by Adam Hilger Ltd.

Fluorite Prism by Adam Hilger Ltd.

1900-1905
Hollow Prism of natural quartz with mounting lug on base

Hollow Prism of natural quartz with mounting lug on base

1900-1905
Schwarz double compensated thermocouple infrared detector made by Adam Hilger Ltd for double beam spectrometer

Schwarz double compensated thermocouple infrared detector made by Adam Hilger Ltd for double beam spectrometer

1950
left-handed quartz prism by Adam Hilger Ltd.

left-handed quartz prism by Adam Hilger Ltd.

1900-1905
35-plate echelon diffraction grating by Adam Hilger Ltd.

35-plate echelon diffraction grating by Adam Hilger Ltd.

1930
Fused Silica Prism by Adam Hilger Ltd.

Fused Silica Prism by Adam Hilger Ltd.

1900-1905
Fused Silica Prism (compound - 4 segments) by Adam Hilger Ltd.

Fused Silica Prism (compound - 4 segments) by Adam Hilger Ltd.

1900-1905
Glazed frame with photograph of Hilger Camera lens interferometer

Glazed frame with photograph of Hilger Camera lens interferometer

1930-1932
Spectroscope on stand by Hilger no 10.301/20207

Spectroscope on stand by Hilger no 10.301/20207

1920
3 boxes

Records of Adam Hilger Ltd. and Hilger and Watts Ltd.

Hilger wavelength spectrometer, with camera, by Adam Hilger Limited, London, 1918-1920

Hilger wavelength spectroscope, with camera

1919
Evershed Solar Spectroscope for viewing prominences by Adam Hilger Ltd., London with wooden box (RAS No.526, Allen No.20). Presented to the Royal Astronomical Society in 1945 by Miss G.R.Allen.

Evershed Solar Spectroscope for viewing prominences by Adam Hilger Ltd.

1910-1920
Additional parts associated with Hilger wavelength spectrometer, by Adam Hilger Limited, London, 1918-1920

Additional parts associated with Hilger wavelength spectrometer

1919
Muller X-ray Spectrometer, by Hilger

Muller X-ray Spectrometer, by Hilger

Echelon spectroscope, with wave length drum (Prism and Echelon grating chipped) by Adam Hilger Ltd., London, England, 1905, comprised of two units: constant deviation spectrometer and echelon grating.

Echelon spectroscope

1905
Spectrophotometer, Adam Hilger Ltd., H16, date c. 1928

Spectrophotometer, Adam Hilger Ltd

E498 medium quartz spectrograph with Barfit accessories made by Adam Hilger Ltd., London, 1940-1950

E498 medium quartz spectrograph with Barfit accessories made by Adam Hilger Ltd.

1940-1950
Spectrum comparator, with travelling micrometer microscope by Adam Hilger Ltd., London, serial No.L1303/22216, dated 1922. Modified for measurement of circular photographic plates and thought to have been used at the University Observatory, Oxford for solar image measurements.

Spectrum comparator

1922
[Records of Adam Hilger Ltd., comprising research and product development reports 1916-1941, Twyman's appointment notebook 1931 and 1933, lists of customers for various instruments 1875-1947 and notes on the history of the firm. 1 box, 9 volumes. Listing available. See also inv. no. 1999-239]

Records of Adam Hilger Ltd.

circa 1875-1941
Prism spectrograph by Adam Hilger Ltd mid, London, 1930's used by Sir Harold Thomson

Prism spectrograph by Adam Hilger Ltd mid

Abbe refractometer in case by Adam Hilger Ltd.

Abbe Refractometer

Lowry thermostat

Lowry thermostat

1914
Direct vision pocket spectroscope with adjustable slit, in metal case, made by Adam Hilger Ltd., London, c.1910.

Direct vision pocket spectroscope with adjustable slit

1905-1915
Experimental model of a Hilger-Nutting Spectrophotometer, for measuring the absorption of light at different wavelengths in chemical and biological samples, used by British Biochemist Richard Alan Morton, University of Liverpool, 1927. Comprises apparatus box, photometer, spectrometer, 2 quartz and glass cells.

Hilger-Nutting Spectrophotometer used by Richard Alan Morton, Liverpool, 1927

c.1927
Spectrometer for visible light wavelengths by Adam Hilger Ltd., London; serial no. H56030/ 47576

Spectrometer for visible light wavelengths by Adam Hilger Ltd.

1947
Quartz spectrograph (E.31) with case and accessories by Adam Hilger Ltd., London, 1932

Quartz spectrograph (E.31) with case and accessories by Adam Hilger Ltd.

1932
Littrow mahogany cased spectrograph by Adam Hilger Ltd., London, from the laboratory of Sir Thomas Merton

Littrow mahogany cased spectrograph by Adam Hilger Ltd.

Slit width adjustable by micrometer screw, calibrated 0-50 x 0.01mm. Slit length adjustable V slider, calibrated 0-18mm. 28mm tube fitting with locking screws. Adam Hilger Limited.

Hilger Adjustable Slit

Hilger one-shot colour camera. Camera for 1/2 plates; lens missing; mirror beam splitting; circular mirror, annular mirror for left and right beams, light passing mirrors reaches plate at rear. Filters held in frames in front of plates (2 or 3 missing). Lever focuses all three plates simultaneously.

Hilger One-Shot Colour Camera

1926-1936
Hilger Spekker photoelectric absorptiometer Type H760, 1948

Hilger Spekker photoelectric absorptiometer Type H760

Mutochrome, made by Adam Hilger Ltd. London, England, for the chromoscope Co. Ltd., with box of coloured glass discs

Mutochrome, made by Adam Hilger Ltd. London

Grating spectrograph by Adam Hilger Ltd., London, used by W. Jevons, 1920-1930

Grating Spectrograph by Adam Hilger Ltd.

1920-1930
Early model of the Guild trichromatic colorimeter, made by Adam Hilger Ltd., London, England (eye-cap missing)

Early model of the Guild trichromatic colorimeter

Wavelength scale for quartz spectrograph, by Adam Hilger Ltd., London, England, 1920-1929

Wavelength scale for quartz spectrograph

1920-1929