Synchrostep telegraph transmitter
Synchrostep telegraph transmitter Pattern No.1. Serial no.4/38435/3500
Details
- Category:
- Navigation
- Object Number:
- 1962-291
- type:
- radioactive material
- credit:
- Chadburns (Liverpool) Ltd.
Synchrostep telegraph transmitter Pattern No.1. Serial no.4/38435/3500