Letter from Albert M. Grass to William Grey Walter, 20 February 1939
- Made:
- 1939-02-20
Discusses order and installation of a four channel ink-writing oscillograph. See also BURD/A/6/93a.
Related people
Details
- Extent:
-
185
260
- Identifier:
- BURD/A/06/093b
- Access:
- Open Access
- copyright: