Glass apertometers
Glass apertometers, Abbe-type, in mahogany box, German, second half of 19th century
- Measurements:
-
apertometer: diameter 102 mm
apertometer: height 13 mm
box: length 137 mm
box: width 136 mm
box: height 30 mm
- Materials:
- apertometers, glass , box, mahogany , box, baize, blue, lining lid and base, and covering and base
- Object Number:
- A56761 Pt1
- type:
- instrument component and apertometer