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21 spirit bubbles, in circular case

Laboratory Medicine

1840-1920

Hydrometer, Sikes, brass, by Joseph Long of London

Clinical Diagnosis

Hydrometer, glass, for diabetes, in leather case,

Clinical Diagnosis

Hicks' milk tester, glass, with three coloured bal

Veterinary Medicine

1871-1900

Glass hydrometers, invented by Baume, made by Coll

Clinical Diagnosis

1860-1900

Glass hydrometer, case, invented by Cartier, owned

Clinical Diagnosis

Hydrometer to measure sugar level, in cylindrical

Clinical Diagnosis

1870-1945

Ureameter set, including Mayhew's ureameter, Esbac

Clinical Diagnosis

Hydrometer, plastic, for diabetes, in leather case

Clinical Diagnosis

Nine spirit bubbles or philosophical beads, made by Anthony Marnoni, Paisley, 1701-1800

Nine spirit bubbles or philosophical beads, made b

Laboratory Medicine

1701-1800

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

Hydrometer and alcoholmeter, Gay-Lussac in wooden

Laboratory Medicine

Spirit bubbles, set of 19 hydrostatic spirit balls, in case, by Baldy Bombaly, Whitehaven

Spirit bubbles, set of 19 hydrostatic spirit balls

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

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

Laboratory Medicine

Hydrometer and thermometer, Baume

Laboratory Medicine

Hydrometer, 1720-1980

Laboratory Medicine

1720-1820

Spirit bubble

Laboratory Medicine

Weight

Brass weight

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

16 spirit bubbles in mahogany case, made by B. Corte, Scottish, 1830-1900

16 spirit bubbles in mahogany case, made by B. Cor

Laboratory Medicine

1830-1900

Twaddle's glass hydrometer

Laboratory Medicine

Hydrometer, cased, by Kemp and Co. of Edinburgh

Laboratory Medicine

Alcoholometer by T. Duval, 23 Me Ste Croix de la Bretonnerie, Paris, France, in case.

Alcoholometer by T. Duval, 23 Me Ste Croix de la B

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

Type C2000 portable gas and air sampler, made of plastic, metal and glass, made by Rotheroe and Mitchell Ltd., South Ruislip, English, 1950-1979

Type C2000 portable gas and air sampler

Public Health & Hygiene

1950-1979

Hydrometer, in case

Laboratory Medicine

1800-1830

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

Laboratory Medicine

1801-1900

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

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

Set of three spirit bubbles with thermometer, in case, by Joseph Long, 20 Little Tower Street, London, England.

Set of three spirit bubbles with thermometer, in c

Laboratory Medicine

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

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

Two pieces of hydrometer case, well and lid top in very poor condition, wood, velvet and silk, English, 1831-1920

Two pieces of hydrometer case, well and lid top in

Laboratory Medicine

1831-1920

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

Hydrometer, metal, in shaped wooden case, English(

Laboratory Medicine

1830-1920

Glass specific gravity bottle in iron container, owned by Dr. Thomas Fentem, English, 1890-1935

Glass specific gravity bottle in iron container, o

Clinical Diagnosis

1890-1935

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

Laboratory Medicine

Glass Baume hydrometer

Laboratory Medicine

Glass hydrometer with mercury, in cardboard case

Laboratory Medicine