Numerik
Numerik displays use edge-lit curved plastic plates to display symbols such as the digits 0 to 9.
Links
- IND-0300
- IND-1801
- Experimenter August 1964 describing Numerik Display
- GB Patent 847,972 filed 22 Jan 1958
- KGM Electronics IND-1803 Numerik Indicator (General Radio) @ industrialalchemy.org
- KGM edge-lit display "Numerik Indicator" model IND-0300 by 50sTransistorRadios @ YouTube (shows partial disassembly)