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