Two cathode ray tubes
- Made:
- circa 1950 in United Kingdom
Two digital display cathode ray tubes - first marked KM14 displays four binary digits, second type LD548 marked KM12 displays single digit (nixi-tube style). c.1950
Details
- Category:
- Electronic Components
- Object Number:
- 2003-185
- Materials:
- glass, metal composites
- Measurements:
-
: 140 x 37 mm
- type:
- semi-conductor
- credit:
- GEC Hirst Research Centre