Year/Period |
ca. 1950 |
Maker |
BLEEKER |
Country |
The Netherlands |
Signature |
1e: M.v.O. / 496-N // DR C.E. BLEEKER / ZEIST / MEDIBU 6×30 // 2…….. |
Category |
Other optical equipment |
Subcategory |
Binoculars |
Optical 1 |
Compound |
Optical 2 |
Achromatic |
Donated by |
P.P. de Bruijn, Zeist, the Netherlands (former owner) |
Inventory number |
SM 162 |
This binocular has been donated to the Foundation by Peter Paul de Bruijn.
Monochromator with adjustable filter
ZEISS
1950-1965
Butter refractometer after Wolney
ZEISS
ca. 1891
Thread counter
BLEEKER
1955-1965
Achromatic magnifier 8×
BLEEKER
1940-1955