The invention discloses a true bearing magnetic compass, which is provided with a cylindrical housing with a transparent top cover, wherein a columnar magnetic compass floating body is arranged inside the cylindrical housing, a liquid is filled between the magnetic compass floating body and the ...
While using a watch as a compass will only give you an approximate bearing, any sort of orientation is an improvement. Certainly it beats feeling your way through the trackless underbrush, singing, "Lions and tigers and bears, oh my!" under your breath. Photos of the Richard Mille RM 25...
Compass bearing 2. 真方位角 True bearing 羅盤方位角 N 58 W O A E N 58 E S 羅盤方位角 N W O E 28 S 28 W B S 真方位角 N A 8 O 008 真方位角 N 1 20 1 20 O B 真方位角 N 2 90 C 2 90 O 求由O測得D的方位角 N D ...