Year/Period |
1925-1950 |
Maker |
LEITZ |
Country |
Germany |
Signature |
Ernst Leitz / Wetzlar |
Category |
Other optical equipment |
Subcategory |
Magnifying glasses |
Optical 1 |
Simple |
Optical 2 |
Achromatic |
Size of the instrument (h x w x d) |
21.5 × 19 × 11 cm |
Provenance |
Prof. dr. J.S. Ploem, Oegstgeest, the Netherlands |
Inventory number |
SM 437 |
This object originates from the collection of professor J.S. Ploem.

Butter refractometer after Wolney
ZEISS
ca. 1891

Folding magnifier 8×
BUSCH
1900-1930

Magnifier
OLDELFT
ca. 1950

Grating spectroscope
BLEEKER
1950-1960