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Year/Period
1955-1965
Maker
Country
The Netherlands
Signature
Unsigned
Category
Other optical equipment
Subcategory
Thread counters
Donated by
P.P. de Bruijn, Zeist, the Netherlands
Inventory number
SM 146
See also SM 217.
Refractometers/saccharimeters
BLEEKER
1945-1965
Hemoglobin meter
REICHERT
1870-1880
Universal refractometer after Abbe
1950-1960
Achromatic magnifier 10×