Ardois system en · PROPN
Meanings
- (historical) A system used by the US Navy in the late 19th century to enable ship-to-ship communications at night. Each installation used a series of eight double lamps (four red and four white) hung from a mast and used to transmit visual codes.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| the Ardois system | canonical | lexicographic |