Precision astrolabe ; Portuguese navigators and transoceanic aviation /

Bibliographic Details
Main Author:	Rogers, Francis Millet
Format:	Book
Language:	English
Subjects:	Sextant. Navigation (Aeronautics) Aeronautics > Portugal > Flights.

Description
Physical Description:	xxxi, 397 pages : illustrations, map. ; 24 cm.
Bibliography:	Bibliography: pages [369]-376.