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.
Spectroscope
BLEEKER
ca. 1960
Refractometers/saccharimeters
BLEEKER
1945-1965
Achromatic magnifier 10×
BLEEKER
1950-1960
Porro prism binocular 6×30
BLEEKER
ca. 1950