Labels:text | screenshot | font OCR: historical accounts, that solving this particular problem was an important contribution to any successful explanation of the composition of the world: "At Bordeaux . . . the sea rises about 40 braccia before it ebbs, and the salt waters flood the river for more than 150 miles; and the vessels . . . are left high and dry on the top of a high hill above where the sea has receded. . . . Above Tunis there is the greatest ebb in the Mediterranean Sea-namely, about two braccia and a half; and at Venice the fallis two braccia, and in the other parts of the Mediterranean Sea the fall is little or