Although Winstanley's lighthouse was but a slight affair compared with its successors, it occupied six years in the erection--the frequent rising of the sea over the rock, and the difficulty and danger of passing to and from it greatly retarding the operations, and rendering them practicable only during a short summer season. For ten or fourteen days after a storm had passed, and when all was calm elsewhere, the ground-swell from the Atlantic was often so heavy among these rocks that the waves sprang two hundred feet, and more, in the air, burying the works from sight. The first summer was spent in boring twelve holes in the rock, and fixing therein twelve large irons as a holdfast for the works that were to be reared. The next season saw the commencement of a round pillar, which was to form the steeple of the tower, as well as afford protection to the workmen while at their labours. When Winstanley bade farewell to the rock for that year, the tower had risen to the height of twelve feet; and resuming operations next spring, he built at it till it reached the height of eighty feet. Having got the apartments fit for occupation, and the lantern set up, Winstanley determined to take up his abode there with his men, in order that no time might be lost in going to and from the rock. The first night they spent on the rock a great storm arose, and for eleven days it was impossible to hold any communication with the shore. "Not being acquainted with the height of the sea's rising," writes the architect, "we were almost drowned with wet, and our provisions in as bad a condition, though we worked night and day as much as possible to make shelter for ourselves." The storm abating, they went on shore for a little repose; but soon returning, set to work again with undiminished energy. On the 14th November of the same year (1698), Winstanley lighted his lantern for the first time. A long spell of boisterous weather followed, and it was not till three days before Christmas that they were able to quit their desolate abode, being "almost at the last extremity for want of provisions; but by good Providence then two boats came with provisions and the family that was to take care of the light; and so ended this year's work." It was soon found that the sea rose to a much greater height than had been anticipated, the lantern, although sixty feet above the rock, being often "buried under water." Winstanley was, therefore, under the necessity of enlarging the tower and carrying it to a greater elevation. The fourth season, accordingly, was spent in encasing the tower with fresh outworks, and adding forty feet to its height. This proved too high for its strength to bear; and in the course of three years the winds and waves had made sad havoc in the unstable fabric.