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Clarke's Alcohol Hydrometer, 1767-1800

Experimental Chemistry

1804-1844

TAG certified hydrometer 40-50 API in cardboard ca

Experimental Chemistry

1960-1970

TAG certified hydrometer 60-70 API in cardboard ca

Experimental Chemistry

1960-1970

Three hydrometers, 1700-1730.

Experimental Chemistry

1700-1730

Twaddle Hydrometers

Weighing & Measuring

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

3 diabetes hydrometers, glass and mercury, in tin

Laboratory Medicine

1871-1930

Baume hydrometer, glass, in case

Laboratory Medicine

Hydrometer, cased, by Kemp and Co. of Edinburgh

Laboratory Medicine

Twaddle's glass hydrometer

Laboratory Medicine

Hydrometer, 1720-1980

Laboratory Medicine

1720-1820

Glass hydrometer in cylindrical cardboard tube

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

Hydrometer and thermometer, Baume

Laboratory Medicine

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

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

Laboratory Medicine

1801-1900

Glass Cartier hydrometer

Laboratory Medicine

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

Clear glass hydrometer, tubular with spherical bul

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, 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

Alcohol hydrometer, with leather case, by Bougleux, French

Alcohol hydrometer, with leather case, by Bougleux

Laboratory Medicine

1701-1800

Hydrometer in case by F. Harris, London, British

Laboratory Medicine

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, with thermometer, Sikes, by Joseph Long of London, 19th century

Hydrometer, brass, in wooden case, with thermomete

Laboratory Medicine

1801-1895

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

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

Laboratory Medicine

1830-1930

Hydrometer, Sikes, brass, by Joseph Long of London, in mahogany case

Hydrometer, Sikes, brass, by Joseph Long of London

Clinical Diagnosis

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, 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, Baume, glass, in metal case, probably French, 19th century

Hydrometer, Baume, glass, in metal case, probably

Laboratory Medicine

1801-1900

Hydrometer, in case

Laboratory Medicine

1800-1830

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

Hydrometer and alcoholmeter, Gay-Lussac in wooden

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

Hydrometer in cylindrical tin case

Laboratory Medicine

Glass Baume hydrometer

Laboratory Medicine

Glass Baume hydrometer

Laboratory Medicine

Glass hydrometer with mercury, in cardboard case

Laboratory Medicine

Hydrometer, cased

Laboratory Medicine

Glass hydrometer, in case

Laboratory Medicine

Hydrometer by Allan, Edinburgh

Laboratory Medicine

1740-1800

Hydrometer, glass, for diabetes, in leather case, British

Hydrometer, glass, for diabetes, in leather case,

Clinical Diagnosis

Two hygrometers in a wooden case, made and patented by R.B. Bate, London

Two hygrometers in a wooden case, made and patente

Laboratory Medicine

Brass hydrometer, bulb only, European(?), 1830-1920

Brass hydrometer, bulb only, European(?), 1830-192

Laboratory Medicine

1830-1920

Hydrometer, glass and metal, Twaddle, in metal case, European, 19th century

Hydrometer, glass and metal, Twaddle, in metal cas

Laboratory Medicine

1801-1900

Broken glass and mercury hydrometer, stem missing, English(?), 1830-1920

Broken glass and mercury hydrometer, stem missing,

Laboratory Medicine

1830-1920

Hydrometer, Sikes, brass, in wooden case, with thermometer, by Loftus, 6 Beaufoy Terrace and Dring & Fage, 145 Strand, London, England, 1801-1900.

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

Laboratory Medicine

1801-1900

Hydrometer, Sikes, brass, in wooden case, with thermometer, by T.O. Buss of London, 19th century

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

Laboratory Medicine

1801-1900