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Scientific American, Vol. 38, Nos. 24–25 (1878) (1878)

leaf 21

An illustration from Scientific American, Vol. 38, Nos. 24–25 (1878), 1878, leaf 21
each side of the boat, can be discharged from We illustrate herewith a new submarine excavator, de- crank, and arranged at the end of the feed box, in connec- thirty to forty feet from each side of the same, thus making signed to be attached directly to the bow and sides of a ves- tion with an… … NJ justable vertically upon it, while the other bar is bent rear- parts of soap are crutched thoroughly up with one part of CARR'S IMPROVED DREDGER. wardly to form a brace. this mixture, boiled, and mixed with more soda lye till the Mr. H. M. Freeman, of Lathrop, Mo., is the inventor of total…

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