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.
Universal refractometer after Abbe
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