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
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
Unicam SP900 Flame Photometer (Spectrophotometer) dated c. 1955 made by Pye Unicam Unicam SP900 Flame Photometer circa 1955
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 1920-1976
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 SP90 Atomic Absorption Spectrophotometer dated c. 1968 made by Pye Unicam Unicam SP90 Atomic Absorption Spectrophotometer circa 1968
Atomic absorption spectrophotometer model AA5 by Varian Techtron Pty, Melbourne, Australia Atomic absorption spectrophotometer model AA5 by Varian Techtron Pty 1970
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
'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
Fuess spectrophotometer for the testing of metals, c1970. Used by AE Turbine Components Ltd. Fuess spectrophotometer for the testing of metals circa 1970
Pye Unicam SP 2900 Atomic Absorbtion Spectrophotometer serial no. 235475 Pye Unicam SP 2900 Atomic Absorbtion Spectrophotometer
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
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
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
EEL (Evans Electroselenium Ltd), Harlow, reflectance spectrophotometer (galvanometer No. 100,723), 1953. Main unit and two smaller ones. EEL (Evans Electroselenium Ltd) 1953
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
Part of spectrophotometer developed by Glenn Millikan at Cambridge 1938-9 Part of a Spectrophotometer, 1938-1939. 1938-1939
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
EEL Spectra Spectrophotometer with operating instruction manual, quotation and calibration EEL Spectra Spectrophotometer with operating instruction manual 1900-1980
Perkin-Elmer 204 Fluorescence Spectrophotometer, 1969, with instruction manual Fluorescence Spectrophotometer 1969
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