Six-pdr. R.F. gun mount, Marks IV and VII, semi-automatic, general arrangement (Mark IV was formerly Marks I and II)
Contributors: United States. Navy Dept. Bureau of Ordnance.
Publisher: [s.n.]
Published: 1903
Place of publication: Washington, D.C
Format: Microform
Subjects: Artillery -- United States.; Ordnance, Naval -- United States.; Naval gunnery.