Home » Other optical equipment » Universal refractometer after Abbe
Year/Period
1950-1960
Maker
Country
The Netherlands
Signature
BLEEKER / ZEIST HOLLAND / No 62334
Category
Other optical equipment
Subcategory
Refractometers
Inventory number
SM 103
See also SM 60, SM 202 and SM 252.
Achromatic stand magnifier
LEITZ
1925-1950
Porro prism binocular 6×30
BLEEKER
ca. 1950
Achromatic magnifier 12×
1940-1950
Universal refractometer after Abbe