- Reproduction
- Object number2026.43
- TitleThermionic valve
- DescriptionVacuum tube or thermionic valve and box. Produced by USA Navy.
- SubjectWhaling, Leith Harbour Whaling Station
- Object namecommunications-equipment
- Materialcardboard, glass, metal
- Dimensions
- width: 35 mm
height: 90 mm
depth: 35 mm
