The Civil engineer and architect's journal, scientific and railway gazette . ea, the screw-piles stood perfectly ; in fact, tli*?y offered noobstruction to the passage of the waves, and caused no scour. Withrespect to the Goodwin Sands, it was not generally known, that the Cor-poration of the Trinity House had caused a beacon to be placed on theback of the sand, consisting of a base of cut stones well secured together,with an octagon-sided vessel, or caisson, which was towed to the spot andgrounded; the sides were then unshipped, leaving the bottom under themass of stone, and an iron beacon ma
The Civil engineer and architect's journal, scientific and railway gazette . ea, the screw-piles stood perfectly ; in fact, tli*?y offered noobstruction to the passage of the waves, and caused no scour. Withrespect to the Goodwin Sands, it was not generally known, that the Cor-poration of the Trinity House had caused a beacon to be placed on theback of the sand, consisting of a base of cut stones well secured together,with an octagon-sided vessel, or caisson, which was towed to the spot andgrounded; the sides were then unshipped, leaving the bottom under themass of stone, and an iron beacon mast was stepped into it. This beaconwas now the only one in existence upon the sands. He believed, thatbeacons, or other structures, erected upon screw-piles, would stand aswell on the Goodwin Sands as on the Maplin and other places. Schemesfor lighthouses to be placed upon the Goodwin Sands were constantlypressed upon his notice; but it did not appear to be understood, that anysolid edifice, to be erected in that locality, must have its foundation carriedFig. 13. Fig. down to the chalk, to insure its durability. The Corporation of IheTrinity House wished it to be understood, that it was not their intentionto place lights upon the Goodwin Sands; but rather to place them aroundthat spot, in order that vessels might avoid its dangers. At present, float-ing lights were employed ; but if fixed lights could be placed in Ihe same,or equally useful localities, he had no doubt the project would be enter-tained. He had a good opinion of the screw-piles for this purpose, andwhen the question came before him in a tangible form he should be readyto give it his attention, for he thought, that a lighthouse could be erectedon that principle, in a difficult position, more economically than by anyother plan. Tlie Corporation of the Trinity House was now about lu testthe stienglh of iron lishthouses, by erecting one upon the Bishop Rock,in Ihe .Scilly Islands, in a situation which was even m
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