focal height (P2923)
height of the lamp of a lighthouse from water level
- height of focal plane
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | No label defined |
||
| English | focal height |
height of the lamp of a lighthouse from water level |
|
Data type
Quantity
Statements
Constraints
0 references
0 references
0 references