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Plate II
DREDGING
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| Fig. 11.—BUCKETS OF 5 AND 54 CUBIC FEET CAPACITY COMPARED. The latter, the largest ever made, were for the hopper-dredger “David Dale” (Plate I. fig. 10), built by Lobnitz & Co. |
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| Fig. 12.—MODEL OF ROCK-CUTTING DREDGER, “DEROCHEUSE.” Built for special work on the Suez Canal by Lobnitz & Co. Length 180 ft., breadth 40 ft., depth 12 ft. |
