Year/Period |
1920-1950 |
Maker |
ONBEKEND/UNKNOWN |
Country |
Unkown |
Signature |
Unsigned |
Category |
Other optical equipment |
Subcategory |
Magnifying glasses |
Size of the instrument (h x w x d) |
3 × 5 × 2 cm (folded); ø lens 3 cm; ø diaphragm 3 cm |
Donated by |
R. Ketting, Vlaardingen, The Netherlands |
Inventory number |
SM 510 |
Wooden folding pocket magnifier with two lenses and a diaphragm.
The magnifying glass has been donated to the foundation by Mr. R. Ketting and comes from the legacy of his family from father’s side.
Magnifier
OLDELFT
ca. 1950
Universal refractometer after Abbe
BLEEKER
1950-1960
Telescope
ONBEKEND/UNKNOWN
1900-1930
Achromatic stand magnifier
LEITZ
1925-1950