Ключевые слова: ancient, antique, astrolab, astrolabe, astronomy, background, brass, bronze, cartography, celestial, color, course, direction, gold, instrument, isolated, latitude, location, longitude, marine, maritime, measure, measurement, nautical, naval, navigate, navigation, object, old, one, precision, sailing, sea, sextant, stars, technology, telescope, travel, vintage, voyage, white,