The BL 4.7 inch 45 calibres gun (actually a metric 120 mm gun) was a British medium-velocity naval gun introduced in 1918 for destroyers, to counter a new generation of heavily-armed destroyers Germany was believed to be developing.
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 30 |
![[RDF Data]](/fct/images/sw-rdf-blue.png)
