Illustrations of submarines, torpedoes and mines
Subtitle: for information of seafaring men : report all discovered
By: Office of Naval Intelligence.
Contributors: United States. Office of Naval Intelligence.
Publisher: G.P.O.
Published: 1918
Place of publication: Washington [D.C.]
Language: eng
Number of pages: 23
Subjects: Submarines (Ships); Torpedoes; Submarine mines
Notes: Cover title.

"June, 1918."