Liknande böcker
Tables for azimuths, great-circle sailing, and reduction to the meridian : with a new and improved "Sumner" method; latitudes 90⁰ N. to 90⁰ S., declinations 90⁰ N. to 90⁰ S.
Bok av H S Blackburne
Reprint of the first edition (1916).