1 Talált eredmények "Fájl:A_practical_manual_of_the_compass;_a_short_treatise_on_the_errors_of_the_magnetic_compass_(IA_practicalmanual00lanirich).pdf".
A practical manual of the compass; a short treatise on the errors of the magnetic compass ( ) Author Laning, Harris, 1873-1941 United States. Bureau...