Aldis lamp
English
Etymology
After its British inventor, Arthur Cyril Webb Aldis (1878–1953).
Noun
Aldis lamp (plural Aldis lamps)
- A type of signal lamp, a visual signalling device used to transmit messages, typically in Morse code.
After its British inventor, Arthur Cyril Webb Aldis (1878–1953).
Aldis lamp (plural Aldis lamps)