Year/Period |
1940-1960 |
Maker |
BLEEKER |
Country |
The Netherlands |
Signature |
NOI [in logo] / No 20319 // MADE IN HOLLAND |
Category |
Other optical equipment |
Subcategory |
Spectroscopes |
Size of the instrument (h x w x d) |
Length 5.4 × diameter 2.3 cm |
Donated by |
P.P. de Bruijn, Zeist, the Netherlands |
Inventory number |
SM 220 |
Universal refractometer after Abbe
BLEEKER
1950-1955
Spectroscope
ZEISS
1930-1940
Porro prism binocular 7×50
BLEEKER
ca. 1953
Achromatic magnifier 12× and 10×
BLEEKER
1940-1947