Duboscq colorimeter, Germany, 1901-1914
1901-1914
Colorimeter, used in Sir Hans Krebs’ laboratory, Sheffield, England, 1925-1945
1930-1940
Colorimeter by Jules Duboscq and Ph. Pellin, Paris
Colorimeter with three disc comparators, Wiltshire, England, 1951-1960
1950-1960
Minolta CR300 colorimeter
1991-2000
Portable colorimeter
Laurent colorimeter by A. Jobin of Paris, c. 1900
circa 1900
Klett colorimeter by Hellige and Co.
Klett top-reader colorimeter
1900-1980
Hellige colorimeter, cased
Visual colorimeter, by Leitz
1900-1980
Black plastic rack contraining nine slides of blue glass ('Lovibond glasses') in increasingly dark tints
1940-1958
Visual Colorimeter
1900-1980
Klett Top Reader Colorimeter in wooden case
1900-1980
Duboscq type colorimeter
Photo-electric colorimeter, 1965
Colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950
1900-1950
Microscope viewer component, part of Klett colorimeter made by Hellige, c.1930
c.1930
Handle component from colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950
1900-1950
Mirror component of colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950
1900-1950
Glass disks, component of colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950
1900-1950
Component part of Klett colorimeter made by Hellige, c.1930
c.1930
Component part of Klett colorimeter made by Hellige, c.1930
c.1930
Photo-electric Colorimeter
1900-1980
Lovibond's Patent Tintometer, 1886
1886
Klett colorimeter made by Hellige, c.1930
c.1930
Component of colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950
1900-1950
Component of colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950
1900-1950
Component of colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950
1900-1950
Component part of Klett colorimeter made by Hellige, c.1930
c.1930
Voltage transformer for Photo-electric Colorimeter
1900-1980
Colorimeter, photo-electric, S.P.1300
1900-1980
Simple colorimeter, by G & T Ld
1950-1980
Salivary colorimeter
1880-1930
Photo-electric Colorimeter (in two parts - No.11840/254 - Colorimeter with blue filter)
1900-1980
Hellige & Co colorimeter
1915
Technicon Auto Analyser bottom colorimeter
Parts for Technicon Auto Analyser colorimeters
Two Technicon Auto Analyser top colorimeters
Technicon Auto Analyser bottom colorimeter
Tintometer, 1886, comprising optical instruments with hinged reflector
1886
Photometer, Zeiss Pulfrich
1900-1980
Colorimeter made by Ernst Leitz, Germany, in cabinet with accessories, 1900-1950
1900-1950
Photoelectric Colorimeter EEL
1900-1980
colorimeter
1910
Duboscq colorimeter by Bausch and Lomb
Lumetron colorimeter model 402E by Photovolt Corporation
1970-1975
Colorimeter by EEL used to monitor the pH of Media in tissue or organ culture at the Common Cold Research Unit
Concentration colorimeter
1970-1980
Klett colorimeter by J. Swift
circa 1900