Colour pilot chart of north Atlantic Ocean, with 4 insets. Storm signal flags illustrated. manuscript table showing outward and homeward positions of RMS. Aurania. Positions of ship on voyage from Great Britain to USA marked in manuscript. Ships name RMS Aurania annotated in manuscript. Navigational and meteorological information included. Note "Published monthly at the Hydrographic Office, Bureau of Equipment, Department of the Navy, Washington D.C"
Insets: 1 Cyclonic Storm in the Rio de la Plata, October 20 1897; 2 Explanations of the significance of the colors and symbols; 3 Gale and storm systems; Isobars and isotherms from the month succeeding the date of publication.