688 OPTICAL PLUMMET
- PART OF:
- Tracings 685 to 744
- Made:
- 1960-04-04-1960-08-11
A folder drawings and tracings relating to an Overhead Optical Plummet.
Details
- Extent:
-
20
240
360
- Identifier:
- STAN3/13/06
- Access:
- Open Access
- copyright:
-
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