281 ALIDADE 20 INCH DETACHABLE SIGHTS U1113
- PART OF:
- Tracings 151 - 300
- Made:
- 1946-02-25-1951-06-26
A folder containing drawings relating to detachable sights for use with the 20 inch alidade. Catalogue number U1113.
Details
- Extent:
-
240
360
5
- Identifier:
- STAN3/08/116
- Access:
- Open Access
- copyright:
-
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