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.
Folding magnifier
ONBEKEND/UNKNOWN
1920-1950
Porro prism binocular 6×24
BLEEKER
ca. 1950
Monochromator with adjustable filter
ZEISS
1950-1965
Grating spectroscope
BLEEKER
1950-1960
info@stichtinghistorischemicroscopie.nl
Visseringlaan 25
2288 ER Rijswijk
The Netherlands
RSIN: 804217361
KVK: 41182753
IBAN: NL53INGB0007728414
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