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Hydrometer, Sikes, brass, by Joseph Long of London

Clinical Diagnosis

Twaddle Hydrometers

Weighing & Measuring

Clarke's Alcohol Hydrometer, 1767-1800

Experimental Chemistry

1804-1844

Hydrometer, glass, for diabetes, in leather case,

Clinical Diagnosis

TAG certified hydrometer 60-70 API in cardboard ca

Experimental Chemistry

1960-1970

TAG certified hydrometer 40-50 API in cardboard ca

Experimental Chemistry

1960-1970

Glass hydrometers, invented by Baume, made by Coll

Clinical Diagnosis

1860-1900

Three hydrometers, 1700-1730.

Experimental Chemistry

1700-1730

Glass hydrometer, case, invented by Cartier, owned

Clinical Diagnosis

Hydrometer to measure sugar level, in cylindrical

Clinical Diagnosis

1870-1945

Hydrometer, plastic, for diabetes, in leather case

Clinical Diagnosis
Hydrometer and alcoholmeter, Gay-Lussac in wooden case, French

Hydrometer and alcoholmeter, Gay-Lussac in wooden

Laboratory Medicine
Hydrometer, by Dring and Fage, London, cuckoo slide rule by Long, 19th century

Hydrometer, by Dring and Fage, London, cuckoo slid

Laboratory Medicine

1801-1900
Ivory hydrometer, mid 18th century

Ivory hydrometer, mid 18th century

Laboratory Medicine

1730-1780
Hydrometer for use as diabetes-testing uriameter, English, mid 20th century

Hydrometer for use as diabetes-testing uriameter,

Clinical Diagnosis

1930-1960
Glass hydrometer in cylindrical cardboard tube

Glass hydrometer in cylindrical cardboard tube

Laboratory Medicine
Hydrometer and thermometer, Baume

Hydrometer and thermometer, Baume

Laboratory Medicine
Hydrometer, 1720-1980

Hydrometer, 1720-1980

Laboratory Medicine

1720-1820
Baume hydrometer, glass, in case

Baume hydrometer, glass, in case

Laboratory Medicine
Hydrometer and accessories in wooden case, by C. Kob and Co., German

Hydrometer and accessories in wooden case, by C. K

Laboratory Medicine
2 hydrometers in case, early C20, German, Twaddell scale

2 hydrometers in case, early C20, German, Twaddell

Laboratory Medicine

1880-1935
Twaddle's glass hydrometer

Twaddle's glass hydrometer

Laboratory Medicine
Hydrometer, cased, by Kemp and Co. of Edinburgh

Hydrometer, cased, by Kemp and Co. of Edinburgh

Laboratory Medicine
Alcohol hydrometer, with leather case, by Bougleux, French

Alcohol hydrometer, with leather case, by Bougleux

Laboratory Medicine

1701-1800
Clear glass hydrometer, tubular with spherical bulge, broken, possibly Italian, 1801-1900

Clear glass hydrometer, tubular with spherical bul

Laboratory Medicine

1801-1900
Hydrometer, in case

Hydrometer, in case

Laboratory Medicine

1800-1830
Hydrometer, in case, French(?), 1801-1900

Hydrometer, in case, French(?), 1801-1900

Laboratory Medicine

1801-1900
Glass Cartier hydrometer

Glass Cartier hydrometer

Laboratory Medicine
Hydrometer, Baume, glass, in metal case, probably French, 19th century

Hydrometer, Baume, glass, in metal case, probably

Laboratory Medicine

1801-1900
Ivory hydrometer for alcohol, 6" long, balanced with lead weight, on which is painted R.W.., in turned wooden case, c.1700-1730

Alcohol Hydrometer, 1700-1730

Experimental Chemistry

1700-1730
Hydrometer, brass, in wooden case, with thermometer, Sikes, by Joseph Long of London, 19th century

Hydrometer, brass, in wooden case, with thermomete

Laboratory Medicine

1801-1895
Glass hydrometer with mercury, in cardboard case, by Hughes, 379 Oxford Street, London, England.

Glass hydrometer with mercury, in cardboard case,

Laboratory Medicine

1859-1872
Hydrometer, brass, in wooden case, by Dring and Fage of London, 19th century

Hydrometer, brass, in wooden case, by Dring and Fa

Laboratory Medicine

1801-1900
Hydrometer in case by F. Harris, London, British

Hydrometer in case by F. Harris, London, British

Laboratory Medicine
Hydrometer, with wooden case, made by L Casella, English, 1830-1930

Hydrometer, with wooden case, made by L Casella, E

Laboratory Medicine

1830-1930
Hydrometer, brass, in wooden case, with thermometer, Sikes, by Joseph Long of London, 19th century

Hydrometer, brass, in wooden case, with thermomete

Laboratory Medicine

1801-1900
Hydrometer, Sikes, brass, in wooden case, with thermometer, by Joseph Long of London, 19th century

Hydrometer, Sikes, brass, in wooden case, with the

Laboratory Medicine

1801-1900
Hydrometer, metal, in shaped wooden case, English(?), 1830-1920

Hydrometer, metal, in shaped wooden case, English(

Laboratory Medicine

1830-1920
Hydrometer, Richardson, brass, in wooden case, by Troughton, English (?), 19th century

Hydrometer, Richardson, brass, in wooden case, by

Laboratory Medicine

1801-1900
Hydrometer, Sikes, brass, in wooden case, thermometer missing, European, 19th century

Hydrometer, Sikes, brass, in wooden case, thermome

Laboratory Medicine
Hydrometer, glass and metal, in cardboard case, European, 19th century

Hydrometer, glass and metal, in cardboard case, Eu

Laboratory Medicine

1801-1900
Glass Baume hydrometer

Glass Baume hydrometer

Laboratory Medicine
Glass Baume hydrometer

Glass Baume hydrometer

Laboratory Medicine
Glass hydrometer with mercury, in cardboard case

Glass hydrometer with mercury, in cardboard case

Laboratory Medicine
Hydrometer, cased

Hydrometer, cased

Laboratory Medicine
3 diabetes hydrometers, glass and mercury, in tin box, European, 1871-1930

3 diabetes hydrometers, glass and mercury, in tin

Laboratory Medicine

1871-1930
Hydrometer in cylindrical tin case

Hydrometer in cylindrical tin case

Laboratory Medicine
Glass hydrometer, in case

Glass hydrometer, in case

Laboratory Medicine
Hydrometer set, incomplete, of 2 hydrometers and test-tube in case

Hydrometer set, incomplete, of 2 hydrometers and t

Laboratory Medicine
Brass hydrometer, with thermometer lacking weights, in case

Brass hydrometer, with thermometer lacking weights

Laboratory Medicine