Baumé hydrometer
Date1821-1840
Inventory NumberDW0224a
ClassificationHydrometer
Subject
Maker
Joseph Long
fl. 1821 - 1846
Cultural Region
Place of Origin
Dimensions16.7 x 4.5 cm (6 9/16 x 1 3/4 in.)
case: 23.1 x 6.6 x 6.6 cm (9 1/8 x 2 5/8 x 2 5/8 in.)
case: 23.1 x 6.6 x 6.6 cm (9 1/8 x 2 5/8 x 2 5/8 in.)
Material
Accessoriescylindrical metal container
DescriptionA hydrometer consisting of a metallic piece that begins as a a straight narrow rod, them becomes a hollow sphere following which there is a narrow neck and a smaller oblong weight at the end.
The long narrow part is marked with scale that goes between 0 and 25. There is a companion hydrometer (DW0224b) to this one, whose scale picks up where this one ends.
The long narrow part is marked with scale that goes between 0 and 25. There is a companion hydrometer (DW0224b) to this one, whose scale picks up where this one ends.
Signedin italics: J. Long, Little Tower St London
Inscribednear scale: Degrees of Beaumes
FunctionThis device determines the specific gravity of liquids. When placed inside a liquid, it floats upright and the point of the scale coinciding with the liquid's surface indicates the specific gravity, in this case in Baumé units.
ProvenanceDavid Wheatland purchased from Sotheby's, London, March 13, 1967 (part of lot 3/7) via E. P. Goldschmidt & Co,. Ltd.
Joseph Long
Date: 1821-1840
Accessories: cylindrical metal container
Object number: DW0224b
French
Date: 1890-1910
Accessories: blue cylindrical cardboard case
Object number: 4448
German
Date: circa 1850
Accessories: blue cardboard cylindrical case
Object number: DW0791
Electric Storage Battery Company
Date: circa 1900
Object number: 1998-1-0294
American
Date: 1890-1920
Accessories: cardboard case with a black and green mottled surface
Object number: 4442
American
Date: 1890-1920
Accessories: cardboard case with a black and brown mottled surface
Object number: 4441
American
Date: 1890-1920
Accessories: cardboard case with a black and brown mottled surface
Object number: 4440
American
Date: 1890-1920
Accessories: cardboard case with a black and brown mottled surface
Object number: 4443
American
Date: 1890-1920
Accessories: cardboard case with a black and green mottled surface
Object number: 4444
See also/See also
