A Thoma haemacytometer capillary pipette

PART OF:: Thoma haemacytometer, Germany, 1891-1930

Made:: 1891-1930 in Jena

maker:: Carl Zeiss, Jena

A Thoma haemacytometer capillary pipette, by C. Zeiss, German, 1891-1930

A haemacytometer calculates the number of blood cells within a given amount of blood. The first haemacytometer was invented by German physician, Karl Vierordt (1818-84) in 1852. His invention was later adapted by many others. Any increase or decrease in blood cells in the blood is analysed. It may indicate disease within the body. A low level of red blood cells is called anaemia. A high level of red blood cells is called polycythaemia. This haemacytometer is seen with pipettes and counting chamber. It was made by Carl Zeiss in Jena, Germany.

Details

Category:: Clinical Diagnosis

Collection:: Sir Henry Wellcome's Museum Collection

Object Number:: A608059/4

Materials:: glass and rubber (unidentified)

type:: haemacytometer

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