Dipping refractometer
circa 1912
Jean's oleorefractometer
Small refractometer
1950-1975
Refractometer
1950-1975
Abbe Refractometer
Zeiss Refractometer
1910-1920
Abbe-type refractometer by Carl Zeiss of Jena
1900
Abbe Refractometer, about 1956
1956
Abbe Refractometer, used by Horace Dall
1918-1920
Pocket refractometer
1930
Refractometer, model R4, by Waters Associates, USA
1975-1982
Horlicks refractometer
1899-1950
Dipping refractometer by Bellingham & Stanley
Butter refractometer by Carl Zeiss
Refractometer(?), vulcanite frame, in leather purs
1880-1910
Herbert Smith refractometer
Bertrand type refractometer unsigned
1870-1893
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
Dipping refractometer by Carl Zeiss, Jena
Liquid refractometer by Hilger, London, 1948
1948
Adamsons direct refractometer by Baird and Tatlock Ltd
circa 1923
Harman's refractometer in leather case
1900-1950
Refractometer in small leather pouch
1870-1940
Waters Associates Refractometer
Jean's oleorefractometer and accessories
1880-1910
Hand-held "Field" refractometer
1998
Hand-held "Delta" refractometer
1998
Herbert Smith refractometers Nos.608
Refractometer by Farrow and Jackson c 1825 (critical angle type) damaged in transit to museum
Atomic Absorption Spectrophotometer
Immersion refractometer made by Bellingham and Stanley
1930-1939
Wedge refractometer used by Horace Dall
Abbe-type refractometer no.M46313 49340 made by Hilger & Watts Ltd (Hilger Division) 98 St. Pancras Way
1949
Dipping refractometer, sectioned.
Abbe type Crystal Refractometer by Carl Zeiss, Jena, German, 1898
1898
Dipping refractometer by Carl Zeiss
Abbe Refractometer, 1920-1929
1920-1929
Pulfrich refractometer made by Carl Zeiss, Jena
Abbe 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
Pulfrich refractometer made by Bellingham & Stanley Ltd (no 564706) in wooden case
1960s
Rayleigh interference refractometer for use with gases
Abbe-type refractometer used by Fisons Pest Control made by Bellingham and Stanley Ltd
1951-1960