Kelvin-Hughes echo-sounder recorder Type 773
Kelvin-Hughes echo-sounder recorder Type 773. Plus spare chart and paper.
Details
- Category:
- Oceanography
- Object Number:
- 1975-391
- type:
- recorder
- credit:
- Admiralty Hydrographic Department
Kelvin-Hughes echo-sounder recorder Type 773. Plus spare chart and paper.