News Published: 08 January 1903 Tidal Currents in the Gulf of St. Lawrence G. H. D. Nature 67, 228 (1903) Cite this article ...

Ferrel’s machine was in use from the early 1880s until 1910. It was replaced by the U.S. Tide Predicting Machine No. 2, which was capable of summing 37 tidal components.

A STRONG wind at sea has long been known to cause a drift of the upper layers of water superimposed upon the regular and periodic tidal currents. Sailing coastwise in clear weather, the navigator ...