Context

Context of A view of the tunnel under the Thames, as it will appear when completed : the carriage ways will be circular : foot passengers will descent the shafts by stairs : dimensions of the tunnel, length from shaft to shaft where foot passengers descend, 1300 feet, height from carriageway to the roof, 15 feet 4 in., width of the arches, 16f. 3 in., depth of the shafts 50 feet, dimensions of the brickwork 37 ft. by 22 ft. : Engineer, Mr. Brunell
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