Zeiss Refractometer
1910-1920
Abbe-type refractometer by Carl Zeiss of Jena
1900
Dipping refractometer
circa 1912
Abbe Refractometer, about 1956
1956
Jean's oleorefractometer
Small refractometer
1950-1975
Abbe Refractometer, used by Horace Dall
1918-1920
Refractometer
1950-1975
Pocket refractometer
1930
Abbe Refractometer
Abbe type Liquid Refractometer, by Carl Zeiss, Jena, German,1876
1876
Abbe Refractometer
Hand-held 'Field' Refractometer, 1998
1998
Refractometer, RFM340, made by Bellingham & Stanley Ltd.
1998
Refractometer, model R4, by Waters Associates, USA
1975-1982
Liquid refractometer by Hilger, London, 1948
1948
Refractometer(?), vulcanite frame, in leather purs
1880-1910
Horlicks refractometer
1899-1950
Adamsons direct refractometer by Baird and Tatlock Ltd
circa 1923
Dipping refractometer by Bellingham & Stanley
Butter refractometer by Carl Zeiss
Harman's refractometer in leather case
1900-1950
Refractometer in small leather pouch
1870-1940
Herbert Smith refractometer
Bertrand type refractometer unsigned
1870-1893
Dipping refractometer by Carl Zeiss, Jena
Immersion refractometer made by Bellingham and Stanley
1930-1939
Jean's oleorefractometer and accessories
1880-1910
Atomic Absorption Spectrophotometer
Wedge refractometer used by Horace Dall
Abbe-type refractometer no.M46313 49340 made by Hilger & Watts Ltd (Hilger Division) 98 St. Pancras Way
1949
Refractometer by Farrow and Jackson c 1825 (critical angle type) damaged in transit to museum
Hand-held "Delta" refractometer
1998
Hand-held "Field" refractometer
1998
Herbert Smith refractometers Nos.608
Waters Associates Refractometer
Refractometer, RFM340, serial no. BT97151
1997
Butter refractometer; with sample of solvent.
Refractometer by Bellingham & Stanley
Box of refractometer shields
Bertrand type refractometer, in case
1870-1893
Abbe type Crystal Refractometer by Carl Zeiss, Jena, German, 1898
1898
Dipping refractometer by Carl Zeiss
Abbe Refractometer, 1920-1929
1920-1929
Abbe-type refractometer used by Fisons Pest Control made by Bellingham and Stanley Ltd
1951-1960
Pulfrich refractometer made by Carl Zeiss, Jena
Abbe Refractometer
Two immersion refractometers
1900