 | Royal society of arts - 1847 - 634 pages
...stone, as was found by Mr. Bush in his erection of a caisson on these sands, as hereafter described. The practicability of the scheme being proved, several...and other sands lying in the mouth of the Thames. And in order to test its capabilities on a large scale, a Beacon was constructed on the South Calliper... | |
 | Perry Fairfax Nursey - Industrial arts - 1850 - 550 pages
...stone ; as was found by Mr. Bush in his erection of a caisson on these sands, as hereafter described. The practicability of the scheme being proved, several...and other sands lying in the mouth of the Thames. And in order to test its capabilities on a large scale, a beacon was constructed on the South Calliper... | |
 | Industrial arts - 1850 - 554 pages
...stone ; as wa* found by Mr. Bush in his erection of a caisson on these sands, as hereafter described. The practicability of the scheme being proved, several...were erected — as on the Buxey, the Shingles, the Girdltr, the Margate, and other sands lying in the mouth of the Thames. And in order to test its capabilities... | |
 | Lighthouses - 1879 - 284 pages
...which ascends, and the tube immediately descends from the effects of outward atmospheric pressure. The practicability of the scheme being proved, several...similar in superstructure to the Maplin Lighthouse, consists of nine hollow iron cylinders, 3 feet 9 inches in diameter, sunk 12 feet into the sand by... | |
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The practicability of the scheme being proved, several Beacons, as before stated, were erected as on the Buxey, the Shingles, the Girdler, the Margate, and other sands lying „in the mouth of the Thames. Another plan has been carried into effect, at... 