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.
Product ID: 438235323
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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.
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