| Year | 1955 |
| Date | 05-May |
| Volume | 112 |
| Issue | 2,815 |
| Page | 499 |
| Category | General |
| Part | |
| Title | Operating Principles of the Gyroscope |
| Author | R.N.Hadden |
| Notes | Illustrating the motion of a gyroscope when acted on by a twisting force, car springs, a car turning a corner, the gyro compass, rotation of the earth |