| ID: | 18317 |
|---|---|
| Entry Text: | Paselk, Richard A. Broelmann, Jobst, Harvey, I.E., II & Turner, Anthony. "Navigational Instruments: Measurement. . . . Altitude, Direction, Distance and Speed, Distance and Speed, and Time." See J. Hattendorf, Oxford Encyclopedia of Maritime History, III., pp. 29-67. |