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Visual Colorimeter

1900-1980

Visual colorimeter, by Leitz

1900-1980

Colorimeter by Jules Duboscq and Ph. Pellin, Paris

Duboscq type colorimeter

Klett top-reader colorimeter

1900-1980

Hellige colorimeter, cased

Klett Top Reader Colorimeter in wooden case

1900-1980

Colorimeter, used in Sir Hans Krebs’ laboratory, Sheffield, England, 1925-1945

1930-1940

Duboscq colorimeter, Germany, 1901-1914

1901-1914

Photo-electric Colorimeter with a voltage transformer. The colorimeter consisting of a lamp

1900-1980

Simple colorimeter, by G & T Ld

1950-1980

Colorimeter, photo-electric, S.P.1300

1900-1980

Black plastic rack contraining nine slides of blue glass ('Lovibond glasses') in increasingly dark tints

1940-1958

Colorimeter with three disc comparators, Wiltshire, England, 1951-1960

1950-1960

Hellige & Co colorimeter

1915

Laurent colorimeter by A. Jobin of Paris, c. 1900

circa 1900

Photo-electric Colorimeter (in two parts - No.11840/254 - Colorimeter with blue filter)

1900-1980

Portable colorimeter

Minolta CR300 colorimeter

1991-2000

Photo-electric colorimeter, 1965

Klett colorimeter by Hellige and Co.

Salivary colorimeter

1880-1930
Harrison-Shirley Digital Colorimeter HSDC-A001, made in England for Shirley Developments Ltd, Manchester, England

Harrison-Shirley Digital Colorimeter HSDC-A001

1970-1979
Concentration colorimeter, model 222, by Evans Electroselenium Ltd., British probably c. 1975, with plastic cover

Concentration colorimeter

1970-1980
Colorimeter patented 1928 by Klett Manufacturing Co. Inc., New York, in fitted wooden box, plus separate box of 60 colour slides

Colorimeter patented 1928 by Klett Manufacturing Co. Inc.

Duboscq colorimeter by Bausch and Lomb, c1950 in box with separate light source and transformer

Duboscq colorimeter by Bausch and Lomb

Colorimeter, Crista, with two cuvettes, with four spares

Colorimeter, Crista, with two cuvettes

1900-1980
Lumetron colorimeter model 402E by Photovolt Corporation, New York

Lumetron colorimeter model 402E by Photovolt Corporation

1970-1975
Bausch & Lomb Spectronic 20 colorimeter/spectrophotometer type 33.29.40, serial no. HD3793 c. 1965

Bausch & Lomb Spectronic 20 colorimeter/spectrophotometer type 33.29.40

circa 1965
Colorimeter, photoelectric, model no.171

Colorimeter, photoelectric, model no.171

1900-1980
Colourimeter with 4 cuvettes and 8 filters, made by Biochemistry Department, University College, London, 1950s

Colourimeter with 4 cuvettes and 8 filters

1950-1960
Beckman Spinco Colorimeter, model 151

Beckman Spinco Colorimeter, model 151

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

Early model of the Guild trichromatic colorimeter

Stiles Colorimeter, optical instrument for measuring colour matching functions, 1950-55

Stiles Colorimeter

Klett colorimeter by J. Swift, London, with accessories, in box, serial no. 18693, c. 1900

Klett colorimeter by J. Swift

circa 1900
colorimeter

colorimeter

1910
Photo Electric Cororimeter, with d'Arsonval Galvanometer No.131895, with instruction Book & Galvanometer Test Certificate. Colorimeter no.23713

Photo Electric Cororimeter

1900-1980
Tintometer, 1886, comprising optical instruments with hinged reflector, hinged stands (2), blocks, 300 standard glasses and cells

Tintometer, 1886, comprising optical instruments with hinged reflector

1886
Tintometer, in case, J.W. Lovibond, Salisbury, no.1398a, with one spare case of tinted glass slides

Tintometer, in case

Photometer, Zeiss Pulfrich, No.72367. Consisting of 4 basic parts, lamp, with lamp-holder with 2 lenses & 4 diaphragms. The second part consisting of 2 fluid container holders, one with a small hood. The third part is of unknown purpose consisting of base, stem and upper holder with spring clips. The fourth part consists of the colorimeter with comparator with scales, eyepieces. There is also present three rods with screw ends to form supports from a base. Made in Germany

Photometer, Zeiss Pulfrich

1900-1980
EEL Photoelectric colorimeter wooden box for glass tubes, containing three tubes

EEL Photoelectric colorimeter wooden box for glass tubes

1900-1980
Photoelectric Colorimeter EEL, with set of filters and matched test tubes

Photoelectric Colorimeter EEL

1900-1980
Reflectance Colorimeter. With manual of instructions, serial no.808678, model no.5552

Reflectance Colorimeter. With manual of instructions

1900-1980
Klett Colorimeter by Hellige, German probably c.1930.

Klett colorimeter made by Hellige, c.1930

c.1930
Colorimeter by EEL used to monitor the pH of Media in tissue or organ culture at the Common Cold Research Unit, 1957-1965

Colorimeter by EEL used to monitor the pH of Media in tissue or organ culture at the Common Cold Research Unit

Colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950.

Colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950

1900-1950