The naval war in the North Sea
Subtitle: showing the principal mine-fields, Zepps destroyed, position of German submarines sunk, [and] naval battles.  (Wal chart on rollers)
Publisher: Stanford
Published: 1920
Place of publication: London
Language: eng
Number of pages: 49
Subjects: World War, 1914-1918 -- Maps; North Sea.
Notes: Scale about 12 m. to 1".

[Insets: Portraits of Admirals, etc.]