Gyro compass.
| Main Creator: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published / Created: |
London :
His Majesty's Stationery Office,
1917.
|
| Notes: | Physical description: 12 p. : diagr. ; 25 cm. |
| Contained in: |
Pamphlet volume BB7777 |