Be expert with map & compass the complete orienteering handbook gan Kjellstrom, Bjorn 1910-

Table of contents

Maps and compasses gan Blandford, Percy W.

Be expert with map & compass the complete "orienteering" handbook gan Kjellstrom, Bjorn 1910-

Magnetic compasses and magnetometers. gan Hine, Alfred

Magnetic compass deviation and correction a manual of the theory of the deviations and mechanical correction of magnetic compasses in ships gan Denne, W.

Hans Christian Oersted discovers electromagnetism. IN Technology's Past. gan Karwatka, Dennis