Sample of helically wound cylindrical waveguide, c.1970
- Made:
- 1970
Sample of helically wound cylindrical waveguide, c. 1970
Details
- Category:
- Telecommunications
- Object Number:
- 1977-362
- type:
- samples
- credit:
- P.O. Research Station (Martlesham)
Sample of helically wound cylindrical waveguide, c. 1970