Aircraft compasses : description and classification
1929
Article/Chapter (Book)
English
Online Contents | 1994
Selenium compasses for airplanes
Engineering Index Backfile | 1922
|Improvements in ship's compasses
Engineering Index Backfile | 1909
Magnetic Compasses with Remote Control
Emerald Group Publishing | 1929
|Gyroscopic compasses - present status and prospects
British Library Conference Proceedings | 1995
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