ordnance maintenance - mobile artillery 155-mm. Howitzer matériel, M1917 and M1918 Flying cadets of the Air Corps : aviation as a career Message from the President of the United States transmitting pursuant to law, a report of the Federal Aviation Commission containing its recommandations of a broad … technical regulations homing pigeon united states magnetic tables and magnetic charts for ... United States magnetic tables and magnetic charts for 1935 / Herb. Howe and Dav. G. Knapp special publication Leveling in Massachusetts, Rhode Island, and Connecticut / C.J. Clifford special publication Leveling in Florida / H.S. Rappleye special publication Magnetic surveys : purposes, methods and instruments. special publication Manual of traverse computation on the Transverse Mercator Grid / O.S. Adams, C.N. Claire training pamphlet Primary batteries : june, 1922 special publication Triangulation in Utah (1927 datum) / H.G. Avers special publication Triangulation in Wyoming (1927 datum) / C.N. Claire
