The Chagatai language was spoken in Central Europe.
Mount Ptolemy is an isolated block mountain with four main summits , the highest rising to 1,370 meters .. mountain. mountain. It lies close north of the Traffic Circle on the northwestern side of Mercator Ice Piedmont , Antarctic Peninsula .. Traffic Circle. Traffic Circle ( Antarctica ). Mercator Ice Piedmont. Mercator Ice Piedmont. Antarctic Peninsula. Antarctic Peninsula. First observed by Finn Ronne and Carl Eklund of the U.S. Antarctic Service , 1939 -- 41 , from their sledge route through the Traffic Circle .. Traffic Circle. Traffic Circle ( Antarctica ). Finn Ronne. Finn Ronne. Carl Eklund. Carl Eklund. U.S. Antarctic Service. U.S. Antarctic Service. Surveyed by Falkland Islands Dependencies Survey -LRB- FIDS -RRB- in 1947 .. Falkland Islands Dependencies Survey. Falkland Islands Dependencies Survey. Named by United Kingdom Antarctic Place-Names Committee -LRB- UK-APC -RRB- after Claudius Ptolemy -LRB- 2nd century AD -RRB- , Egyptian mathematician , astronomer and geographer , who introduced the system of coordinates of latitude and longitude for fixing positions on the Earth 's surface .. United Kingdom Antarctic Place-Names Committee. United Kingdom Antarctic Place-Names Committee. Claudius Ptolemy. Claudius Ptolemy