Other methods Maps were made with "plotting tables (small telescope and angular distance measurements-angle subtended by a known distance Aerial photogrammetry coordinates inferred from positions in photographs Method used for most maps 02/11/02 12.540Lec0202/11/02 12.540 Lec 02 11 Other methods • Maps were made with “plotting tables” (small telescope and angular distance measurements-angle subtended by a known distance • Aerial photogrammetry coordinates inferred from positions in photographs. Method used for most maps