167 DIAPHRAGM STANDARD
- PART OF:
- Tracings 151 - 300
- Made:
- 1946-08-09-1952-08
A folder containing drawings and tracings relating to optical diaphragms for levels and theodolites.
Details
- Extent:
-
10
240
360
- Identifier:
- STAN3/08/015
- Access:
- Open Access
- ?:
- Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions