American Pratical Navigator
But no one knew how to correct a compass for deviation until Captain Matthew Flinders, while on a voyage to Australia in ... the indication of the eartha#39;s rotation during the short period in which his manually operated gyroscope remained in rotation. ... and Anschutz-Kampfe, a German, independently invented gyro compasses during the first decade of the 20th century. ... Sperrya#39;s compass was found adequate, and in the years following World War I gyro compasses became standardanbsp;...
| Title | : | American Pratical Navigator |
| Author | : | |
| Publisher | : | - 1966 |
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