James Rennell,
Proceedings of the Royal Society of London
(1833)
“ In addition to these facts, which are of comparatively recent occurrence, the author finds that the generally observed and well-known flow of the tides on the west of Scilly, cannot well be accounted for but by the supposition of a current setting in from the southward, which causes the flood tide to run nine hours northward, while the ebb in the opposite direction lasts only three hours. ”
