Precision astrolabe
Subtitle: Portuguese navigators and transoceanic aviation
By: by Francis M. Rogers.
Publisher: Academia Internacional da Cultura Portuguesa; [distributed in the U.S.A. by W. S. Sullwold, Taunton, Mass.]
Published: 1971
Place of publication: Lisboa
Language: eng
Number of pages: 397
Subjects: Sextant.; Navigation (Aeronautics); Aeronautics -- Portugal -- Flights.
Notes: Bibliography: p. [369]-376.