Year/Period |
1950-1960 |
Maker |
BLEEKER |
Country |
The Netherlands |
Signature |
NOI [in logo] / BLEEKER / ZEIST HOLLAND // No 46486
|
Category |
Other optical equipment |
Subcategory |
Spectroscopes |
Size of the instrument (h x w x d) |
h 22 × ø 40 (max) cm |
Donated by |
Sint-Joriscollege, Eindhoven, The Netherlands |
Inventory number |
SM 515 |
Butter refractometer after Wolney
ZEISS
ca. 1891
Refractometer/saccharimeter
BLEEKER
1950-1960
Achromatic magnifier 12× and 10×
BLEEKER
1940-1947
Viewer cathetometer
BLEEKER
1950-1960