Year/Period |
1900-1930 |
Maker |
BUSCH |
Country |
Germany |
Signature |
Busch |
Category |
Other optical equipment |
Subcategory |
Magnifying glasses |
Size of the instrument (h x w x d) |
2.8 × 4.5 × 2.5 cm (folded); ø lens 2.5 cm |
Donated by |
R. Ketting, Vlaardingen, The Netherlands |
Inventory number |
SM 509 |
Metal folding pocket magnifier with an 8× magnification.
Busch logo on the front; INS: engraved on the back.
The magnifying glass has been donated to the foundation by Mr. R. Ketting and comes from the legacy of his uncle who worked at TNO Utrecht.