Year/Period |
1946-1950 |
Maker |
BLEEKER |
Country |
The Netherlands |
Signature |
NEDOPTIFA / DR. C.E.BLEEKER / UTRECHT HOLLAND / 2314 |
Category |
Other optical equipment |
Subcategory |
Spectroscopes |
Size of the box (h x w x d) |
3.5 × 14.7 × 8 cm |
Donated by |
P.P. de Bruijn, Zeist, the Netherlands |
Inventory number |
SM 225 |
From the Bleeker collection of Peter Paul de Bruijn.
Telescope
ONBEKEND/UNKNOWN
1900-1930
Magnifier
OLDELFT
ca. 1950
Spectroscope
BLEEKER
ca. 1960
Achromatic magnifier 12× and 10×
BLEEKER
1940-1947