hours have a strong flood setting her up on the Bank, if she is on the Port Tack, which the master will make no allowance ... If this circle be divided like the dial of a clock, XII. and VI. corresponding to the top and bottom of the vertical diameter, and ... The following construction will enable us easily to calculate the Tidal Drift between two given hours : a Let a circle be described whose radius is double theanbsp;...
|Title||:||Manual of tides and tidal currents|