The use of oil to lessen the dangerus effect of heavy seas.
By: Comp. for the Monthly pilot chart by George L. Dyer. Issued by the U.S. Hydrographic Office.
Series: United States Hydrographic Office, Bureau of Navigation,; no. 82
Publisher: Govt. Print. Off.
Published: 1886
Place of publication: Washington
Language: eng
Number of pages: 27
Subjects: Waves, Calming of.