Ptolemy's eight-volume atlas " Geographia " is a prototype of modern mapping and GIS . It included an index of place-names, with the latitude and longitude of each place to guide the search, scale, conventional signs with legends, and the practice of orienting maps so that north is at the top and east to the right of the map an almost universal custom today.
How to say conventional signs in Hindi and what is the meaning of conventional signs in Hindi? conventional signs Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
