141 OPTICAL SQUARE (SINGLE TYPE)
- PART OF:
- Tracings 1 - 150
- Made:
- 1947-09-19-1954-10-31
A folder containing drawings relating to the single type optical square.
Details
- Extent:
-
240
360
5
- Identifier:
- STAN3/07/103
- Access:
- Open Access
- ?:
- Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions