Process and apparatus for representing tidal movement

Details Process and apparatus for representing tidal movement Process and apparatus for representing tidal movement

1990-05-01

1992-05-19

Apley, Richard J.

Education and demonstration

Geography

368 19, G04B 1900

Patent

active

051143453

ABSTRACT:
An ellipse is rotated in such a way that the time interval which elapses between the successive passages of the major axis of the ellipse and the minor axis of the ellipse through the same position corresponds to the time interval which elapses between a successive high tide and low tide. The ellipse is rotated substantially in phase with the lunar cycle.

REFERENCES:
patent: 4849949 (1989-07-01), Voth
patent: 4853908 (1989-08-01), Bourguin et al.

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