Compasses-Magnetic
Rotor & wing ; 28 , 7
1994
Article (Journal)
Unknown
Magnetic Compasses with Remote Control
Emerald Group Publishing | 1929
|Selenium compasses for airplanes
Engineering Index Backfile | 1922
|Improvements in ship's compasses
Engineering Index Backfile | 1909
Aircraft compasses : description and classification
TIBKAT | 1929
|Gyroscopic compasses - present status and prospects
British Library Conference Proceedings | 1995
|