
Helically wound cylindrical waveguide, 1960-1977
- Made:
- 1960-1977 in unknown place



Two mating lengths of helically wound cylindrical waveguide, unknown maker, 1960-1977
Details
- Category:
- Telecommunications
- Object Number:
- 1977-363
- Materials:
- copper (alloy) and plastic (unidentified)
- Measurements:
-
length 1 of 2: 313 mm 57 mm,
length 2 of 2: 319 mm 57 mm,
both lengths: 873.2 g
- type:
- pipe - conduit
- credit:
- Donated by the Post Office Research Station (Martlesham)