Most Popular Books
- Position Finding by the Improved Sumner Method: Contrasted with the New ...
- Position Finding by the Improved Sumner Method: Contrasted With the New Navigation (Marcq St. Hilaire System), and the Old Sumner Method; Together With a Few Special Star Reduction and Azimuth Tables
- Tables for Azimuths, Great-Circle Sailing, and Reduction to the Meridian, With a New and Improved Sumner Method: Latitudes 900 N. to 900 S., ... With Numerous Examples of Double Altitudes
- Tables for Azimuths, Great-Circle Sailing, and Reduction to the Meridian, With a New and Improved Sumner Method: Latitudes 900 N. to 900 S., ... With Numerous Examples of Double Altitudes
