Quartz crystal
Quartz crystal, mounted, for control of amateur radio transmitter (f: 7144 kc,42.02m) c. 1930
Details
- Category:
- Radio Communication
- Object Number:
- 1972-410
- type:
- transmitter
- credit:
- Powderly, L.B.
Quartz crystal, mounted, for control of amateur radio transmitter (f: 7144 kc,42.02m) c. 1930