Butter refractometer after Wolney
ZEISS
ca. 1891
Polarimeter after Laurent
WINKEL
1928-1940
Folding hand magnifier
BLEEKER
1940-2017
Refractometers/saccharimeters
BLEEKER
1945-1965
info@stichtinghistorischemicroscopie.nl
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RSIN: 804217361
KVK: 41182753
IBAN: NL53INGB0007728414
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