Abbe-type refractometer by Carl Zeiss of Jena
1900
Abbe Refractometer
Abbe Refractometer
Zeiss Refractometer
1910-1920
Hand-held 'Field' Refractometer, 1998
1998
Herbert Smith refractometer
Dipping refractometer
circa 1912
Abbe Refractometer, about 1956
1956
Butter refractometer by Carl Zeiss
Liquid refractometer by Hilger, London, 1948
1948
Small refractometer
1950-1975
Dipping refractometer by Carl Zeiss, Jena
Abbe Refractometer, used by Horace Dall
1918-1920
Pocket refractometer
1930
Harman's refractometer in leather case
1900-1950
Horlicks refractometer
1899-1950
Refractometer
1950-1975
Jean's oleorefractometer
Adamsons direct refractometer by Baird and Tatlock Ltd
circa 1923
Atomic Absorption Spectrophotometer
Refractometer in small leather pouch
1870-1940
Refractometer(?), vulcanite frame, in leather purs
1880-1910
Butter refractometer
Wedge refractometer used by Horace Dall
Jean's oleorefractometer
1880-1910
Accessories for Jean's oleorefractometer comprising a wooden box containing brass valves and clamps
1880-1910
Abbe crystal refractometer by Carl Zeiss
1898
Bertrand type refractometer unsigned
1870-1893
Refractometer, model R4, by Waters Associates, USA
1975-1982
Abbe type Liquid Refractometer, by Carl Zeiss, Jena, German,1876
1876
Refractometer, RFM340, made by Bellingham & Stanley Ltd.
1998
Dipping refractometer by Bellingham & Stanley
Abbe type Crystal Refractometer by Carl Zeiss, Jena, German, 1898
1898
Butter refractometer; with sample of solvent.
Bertrand type refractometer, in case
1870-1893
Hand-held "Field" refractometer
1998
Pulfrich refractometer made by Carl Zeiss, Jena
Wedge refractometer used by Horace Dall
Box of refractometer shields
Abbe Refractometer
Two immersion refractometers
1900
Immersion refractometer made by Bellingham and Stanley
1930-1939
Hand-held "Delta" refractometer
1998
Dipping refractometer, sectioned.
Abbe-type refractometer used by Fisons Pest Control made by Bellingham and Stanley Ltd
1951-1960
Abbe Refractometer, 1920-1929
1920-1929
Refractometer by Farrow and Jackson c 1825 (critical angle type) damaged in transit to museum
Jean's oleorefractometer and accessories
1880-1910
Rayleigh interference refractometer for use with gases
Refractometer, RFM340, serial no. BT97151
1997