Year/Period |
1950-1960 |
Maker |
BLEEKER |
Country |
The Netherlands |
Signature |
(1): CURTIS . SYSTEMS // BLEEKER / HOLLAND // NOI [in logo] / No 45 / 67503 |
Category |
Other optical equipment |
Subcategory |
Refractometers |
Inventory number |
SM 79 |
For information on the color and number of the rings see refractometer color codes (in Dutch).
To see the inside of this instrument we refer to SM 168.
Achromatic magnifier 12× and 10×
BLEEKER
1940-1947
Hemoglobin meter
REICHERT
1870-1880
Achromatic magnifier 12×
BLEEKER
1940-1950
Universal refractometer after Abbe
BLEEKER
1950-1960