Rare Ocean Passages for the World 1973 3rd Ed Navy Hydrographer Charts Case Supp

This is the rare Third Edition of the essential nautical reference book, Ocean Passages for the World (NP 136), published by The Hydrographer of the Navy in 1973. This comprehensive guide provides critical information for deep-sea voyage planning for both power vessels and sailing ships, based on historical weather patterns, currents, and hazards.

Key Features:
Edition & Year: Third Edition, published in 1973. This is the last edition to feature separate routing advice specifically for sailing ships.
Format: Hardcover blue cloth board book with gilt titles on the cover and spine.
Contents: The main volume contains 258 pages with approximately 25 diagrams and charts integrated within the text.
Maps/Charts:
 - A separate wallet or cardstock envelope that contains 7 large, folding charts. These maps cover aspects like world climatic conditions (January and July), main ocean routes, sailing ship routes, and surface currents.
- Slipcase:
- The book is housed within a matching blue slipcase