
1) Chinese invention
Found on
https://www.crosswordclues.com/clue/luopan

Luopan is a Chinese magnetic compass, also known as a Feng Shui compass. It is used by a Feng Shui consultant to determine the precise direction of a structure or other item. Since the invention of the compass for use in Feng Shui, traditional feng shui has required its use. ==Form and Function== Like a conventional compass, a luopan is a directio...
Found on
http://en.wikipedia.org/wiki/Luopan
No exact match found.