Year/Period |
1950-1960 |
Maker |
BLEEKER |
Country |
The Netherlands |
Signature |
NOI [in logo] / BLEEKER / ZEIST HOLLAND / No 74799 |
Category |
Other optical equipment |
Subcategory |
Refractometers |
Donated by |
P.P. de Bruijn, Zeist, the Netherlands |
Inventory number |
SM 252 |
Universal refractometer, also called Abbe refractometer, intended to measure the refractive index of various liquids in a wide range. Bleeker made various refractometers, such as a butter / fat refractometer and pocket refractometers.
From the Bleeker collection of Peter Paul de Bruijn.