Builder's Old Measurement
Sign in to saveAlso known as BOM, bm, tons bm, tons burden, tons burthen, tons byrthen
measurement of the internal volume of a sailing vessel (approx. 1650–1849)
Wikidata facts
- Instance of
- unit of volume
Show 2 more facts
- unit symbol
- bm
- maintained by WikiProject
- WikiProject Mathematics
Sources (1)
via Wikidata · CC0