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Clockwork motor and shutter assembly from Dobson Spectrophotometer

Clockwork motor and shutter assembly from Dobson Spectrophotometer

Infracord Spectrophotometer

Infracord Spectrophotometer

Pye Unicam SP 2900 Atomic Absorbtion Spectrophotometer

Pye Unicam SP 2900 Atomic Absorbtion Spectrophotometer

Fluorescence Spectrophotometer

Fluorescence Spectrophotometer

1969

Metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Clockwork motor and shutter assembly from Dobson Spectrophotometer

Clockwork motor and shutter assembly from Dobson Spectrophotometer

Spectrophotometer Model RFC3

Spectrophotometer Model RFC3

Pretema Spectromat FS-3A spectrophotometer No. 35.4.127-1

Pretema Spectromat FS-3A spectrophotometer No. 35.4.127-1

1965-1969

Stabiliser and power supply for Pretema Spectromat FS-3A spectrophotometer No. STABI 35.4. 127-1

Stabiliser and power supply for Pretema Spectromat FS-3A spectrophotometer No. STABI 35.4. 127-1

1965-1969

Spectrophotometer module

Spectrophotometer module

1960-1979

Metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Metal recording discs from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Metal candle holder from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Metal candle holder from a clockwork motor and shutter assembly from Dobson Spectrophotometer

Unicam SP900 Flame Photometer (Spectrophotometer) dated c. 1955 made by Pye Unicam

Unicam SP900 Flame Photometer (Spectrophotometer) dated c. 1955 made by Pye Unicam

circa 1955

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

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

c.1927

Atomic absorption spectrophotometer model AA5 by Varian Techtron Pty, Melbourne, Australia

Atomic absorption spectrophotometer model AA5 by Varian Techtron Pty

1970

Unicam SP90 Atomic Absorption Spectrophotometer dated c. 1968 made by Pye Unicam

Unicam SP90 Atomic Absorption Spectrophotometer

circa 1968

Perkin-Elmer 650-10LC Fluorescence Spectrophotometer, with Perkin Elmer 150 Xenon power supply made by ACME Electrical Corporation, Cuba, New York, serial no.5243

Perkin-Elmer 650-10LC Fluorescence Spectrophotometer

Fuess spectrophotometer for the testing of metals, c1970. Used by AE Turbine Components Ltd.

Fuess spectrophotometer for the testing of metals

circa 1970

EEL (Evans Electroselenium Ltd), Harlow, reflectance spectrophotometer (galvanometer No. 100,723), 1953. Main unit and two smaller ones.

EEL (Evans Electroselenium Ltd)

1953

Pretema Spectromat FS 3A spectrophotometer for measuring the reflectance of a surface as a function of wavelength (colour) selected by 33 interference filters, for calculating CIE tristimulus values, and printing the results. Made by Pretema AG, Riedstrasse 8, CH-8953 Dietikon/ZH, Birmensdorf, Zurich, Switzerland, 1965-1969.

Pretema Spectromat FS 3A spectrophotometer

1965-1969

EEL Spectra Spectrophotometer with operating instruction manual, quotation and calibration

EEL Spectra Spectrophotometer with operating instruction manual

1900-1980

Part of spectrophotometer developed by Glenn Millikan at Cambridge 1938-9

Part of a Spectrophotometer, 1938-1939.

1938-1939

Spectrometer by Cecil Instruments, Cambridge, double beam model CE594 Serial No.41.101, with CE500 control record module c. 1985.

Spectrometer by Cecil Instruments

1984-1990

Set of EEL educational modules for assembly into a spectrophotometer, a pH meter, high-sensitivity polarograph or a low-sensitivity polarograph, by Evans Electroselenium Ltd., Halstead, Essex, England, 1965-1975, comprising nine units

Set of EEL educational modules for assembly into a spectrophotometer

1960-1979

Unicam SP200 prism spectrophotometer serial no. 35966 made by Unicam Instruments Ltd., Cambridge, c. 1950

Unicam SP200 prism spectrophotometer serial no. 35966 made by Unicam Instruments Ltd.

circa 1950

Spectrophotometer by Albrecht

Spectrophotometer by Albrecht

Color Eye reflectance spectrophotometer, "signature model" by Instrument Development Laboratories, Kollmorgen Corp. - Mass, USA, with sola electric transformer, 1960--1963

Color Eye reflectance spectrophotometer

1960-1963

Zeiss RS3 16-filter spectrophotometer

Zeiss RS3 16-filter spectrophotometer

Unicam SP900 Flame Photometer (Spectrophotometer) dated c. 1955 made by Pye Unicam

Unicam SP900 Flame Photometer

circa 1955

2 photographs and 1 diagram of the optical system of Dobson's ozone spectrophotometer, c. 1950

2 photographs and 1 diagram of the optical system of Dobson's ozone spectrophotometer

1950

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

Vitatron Desk-top size Spectrophotometer

Vitatron Desk-top size Spectrophotometer

Zeiss colour Matching System. IDL (Instrument Development Laboratory) Colour-Eye Colourimeter/Spectrophotometer

Zeiss colour Matching System

Perkin-Elmer 650-10LC Fluorescence Spectrophotometer.

Perkin-Elmer 650-10LC Fluorescence Spectrophotometer

'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I., with blue-sensitive vacuum photocell (lacks standard lead sulphide cell), amplifier and cable, milliammeter, additional prism and mirror, two liquid cells, one gas cell, two glass filters, and micrometer motor drive

'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I.

1960-1973

Experiment (S2/68), spectrophotometer for ESRO TD1A Satellite engineering model, 1970-1972

Experiment for TD1A Satellite, 1970-1972

1970-1972

'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I., with blue-sensitive vacuum photocell (lacks standard lead sulphide cell), amplifier and cable, milliammeter, additional prism and mirror, two liquid cells, one gas cell, two glass filters, and micrometer motor drive

'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I.

1960-1973

Zeiss Colour Matching System c.1975, incorporating: i. RFC 3 Spectrophotometer, ii. Digico PTR 250 unit, iii. Digico Micro 160, iv. Data Dynamic 390 Keyboard/Printer, v. Sola Transformer, vi. Digico 2640-1, vii. lamp housing, viii. Hewlett Packard 7035B chart recorder, ix. Siemens power pack, x. Colour Eye Spectrophotometer

Zeiss Colour Matching System c.1975

Unicam SP500 spectrophotometer c.1960 with two power supply units, one by Unicam, one by Doran Instrument Co. Ltd., Stroud

Unicam SP500 spectrophotometer c.1960 with two power supply units

G M B Dobson's ozone spectrophotometer no.1, 1929, complete, on trolley, with accessories 1. sun director for forcused image 2. magnifier for reading trace on smoked plate 3. sun-director base 4. recorder 5.sun-director prism 6. sun-director tube for normal use 7. mercury lamp 8. microammeter 9. two-lamp apparatus 10. standard lamp 11. box spanner 12. amplifier, and a collection of apparatus used by the late Prof. G.M.B. Dobson for upper air investigation

G M B Dobson's ozone spectrophotometer no.1

1929

'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I., with blue-sensitive vacuum photocell (lacks standard lead sulphide cell), amplifier and cable, milliammeter, additional prism and mirror, two liquid cells, one gas cell, two glass filters, and micrometer motor drive

'Vuespec' spectrophotometer serial no. ZL1223 by M.L.I.

1960-1973

Franz Schmidt & Haensch, Stallschreiberstrasse 4, Berlin. Used in Works Laboratory for measurement of test strips for colour transmission, density, etc.

König-Martens Polarising Spectrophotometer

1904