Image
Category
Collection
Maker
Object type
Place
Material
Date

Hydrometer to measure sugar level

1870-1945

Baume hydrometer, glass, in case

3 diabetes hydrometers

1871-1930

Hydrometer

Hydrometer, glass and metal

1801-1900

Twaddell's hydrometer

1900-1910

Clarke export hydrometer

1701-1800

Glass hydrometer in case

Hydrometer, brass, spherical front bulb

1860-1900

Hydrometer, metal, in shaped wooden case

1801-1900

Hydrometer, cased

Glass hydrometer in case

Hydrometer, glass, with colourless liquid

Hydrometer, 1720-1980

1720-1820

Glass Baume hydrometer

Glass hydrometer

Glass Baume hydrometer

Broken glass and mercury hydrometer

1830-1920

Hydrometer, Bate, cased, English

Hydrometer and thermometer, Baume

Hydrometer, glass, for diabetes

Twaddle Hydrometers

1950-1970

Glass hydrometers

1860-1900

Metal hydrometer

1720-1760

Alcoholometer, Gay Lussac

1830-1920

Alcohol hydrometer

1701-1800

Two hygrometers in a wooden case

Brass Baume hydrometer, French(?), 1830-1920

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

1801-1900

hydrometers

Glass hydrometer

Hydrometer, plastic, for diabetes

Hydrometer, Sikes, brass

Hydrometer for use as diabetes-testing uriameter

1930-1960

Hydrometer, Sikes, brass

1801-1900

Hydrometer, Sikes, brass

1801-1900

Hydrometer, Sikes, brass

1801-1900

Hydrometer, brass, in wooden case

1801-1900

Hydrometer, brass, in wooden case

1801-1900

Hydrometer, Sikes, brass

1801-1900

Hydrometer, brass, in wood case

1801-1900

Brass hydrometer in mahogany case

1840-1920

Clarke hydrometer in case with collars and weights

1840-1920

Nicholson hydrometer in case with 2 thermometers

1850-1920

Hydrometer for use as diabetes-testing uriameter

1930-1960

Hydrometer for use as diabetes-testing uriameter

1945-1950

Hydrometer, cased

Hydrometer, glass and metal

1801-1900

Hydrometer case

1801-1900

Hydrometer, case only

1801-1900