| FIG. | | PAGE |
| 1. | Model gyroscope with three degrees of freedom | 4 |
| 2. | Model gyroscope with three degrees of freedom | 7 |
| 3. | Model gyroscope, frictional transmission of turning moment | 9 |
| 4. | Model gyroscope, one degree of freedom lost | 11 |
| 5. | Model gyroscope, second degree of freedom lost | 12 |
| 6. | Model gyroscope, lost degrees of freedom restored | 13 |
| 7. | Elementary gyroscope at equator | 15 |
| 8. | Gyroscopic clock | 16 |
| 9. | Elementary gyro-compass | 18 |
| 10. | Elementary compass at equator | 20 |
| 11. | Elementary compass at 55 deg. N. Lat. | 24 |
| 12. | Compass at equator and near North Pole | 26 |
| 13. | Pendulum and compass | 32 |
| 14. | Damped and undamped vibrations | 35 |
| 15. | Damped pendulum | 37 |
| 16. | Air-blast damping system of AnschÜtz (1910) compass | 43 |
| 17. | Free and damped motion of axle | 49 |
| 18. | Damping curve from AnschÜtz (1910) compass | 50 |
| 19. | Damping system of Sperry compass | 53 |
| 20. | Action of excentric pin in Sperry compass | 55 |
| 21. | Action of excentric pin in Sperry compass | 57 |
| 22. | Gyro-pendulum with axle tilted | 60 |
| 23. | Damping system of Brown compass | 62 |
| 24. | The north steaming error at 0 deg. and 60 deg. N. | 72 |
| 25. | Sperry correction mechanism for latitude and north steaming errors | 76 |
| 26. | Ballistic force on compass when ship’s speed changes | 83 |
| 27. | Ballistic force on compass when ship’s speed changes | 84 |
| 28. | Ballistic deflection | 86 |
| 29. | Effect of rolling on due north course | 93 |
| 30. | Effect of rolling on due west course | 94 |
| 31. | External gimbal mounting | 97 |
| 32. | Effect of rolling on a due north course (simple mounting) | 98 |
| 33. | Effect of rolling on a due north course (external gimbal mounting) | 99 |
| 34. | Ship rolling on N.W. course | 101 |
| 35. | Sperry compass on N.W. course | 108 |
| 36. | Sperry ballistic gyro | 111 |
| 37. | Stabilised excentric pin (Sperry compass) | 112 |
| 38. | Diagram of Brown compass |
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