former navigation
C48784
concept
Former navigation refers to historical or previously used methods, tools, and systems for determining position and direction that have since been replaced or fallen out of regular use.
All labels observed (1)
| Label | Occurrences |
|---|---|
| former navigation canonical | 2 |
Instances (2)
| Instance | Via concept surface |
|---|---|
| Mountmellick Branch | — |
| Kilbeggan Branch | — |