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Title
Urinometer
Description
This Urinometer is held within a cardboard tube.
The Urinometer was invented by Johann Florian Heller (1813-1871) in 1849 and was used to measure the specific gravity of urine, which is the measurement of particles in a person's urine compared with water. This helped to assess kidney function.
Urinometers are typically composed of three parts: the weight, float and stem. The weight is the lower end of the urinometer containing a mercury bulb. The float is an air-filled glass tube and the stem is marked with a scale.
The urinometer would be placed in a cylinder containing a urine sample and a reading taken from the stem. This device has been widely replaced with more efficient technologies. Its tendency to drag against the side of the cylinder can often result in inaccurate readings.
The Urinometer was invented by Johann Florian Heller (1813-1871) in 1849 and was used to measure the specific gravity of urine, which is the measurement of particles in a person's urine compared with water. This helped to assess kidney function.
Urinometers are typically composed of three parts: the weight, float and stem. The weight is the lower end of the urinometer containing a mercury bulb. The float is an air-filled glass tube and the stem is marked with a scale.
The urinometer would be placed in a cylinder containing a urine sample and a reading taken from the stem. This device has been widely replaced with more efficient technologies. Its tendency to drag against the side of the cylinder can often result in inaccurate readings.
Date
c. 1900s-1920s
Identifier
2001/2
Physical Object Item Type Metadata
Physical Dimensions
Length: 11.7 cm
Materials
Glass; Mercury; Paper; Cardboard
Terms Of Use
