Spherometer, calibrated in dioptres, on circular b
Spherometer, calibrated in dioptres, on circular base and with additional rings for increasing the range of measurement
- Object Number:
box: 82.6772 x 63.7795 x 65.3543 in.
spherometer: 82 x 120 cm
- furnishing and equipment
- measuring device - instrument
- Weston, Paul
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