Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 86
thesides of the trunk at the middle of the boat,as shown at D in Fig. 3, where it is nailedto the keel at the middle and to the loweredge of the sides at the outer ends. Aninner keel 6 inches wide is laid over thebottom planking through the center of theboat from stem to stern. The centerboard is… … FIG. 6. A ROWING-CATAMARAN. (SEE PAGE 642.) the centerboard projecting below the bottom ofthe boat, for if the boat should suddenly comeinto shallow water or upon a bar or rock, theslanting front edge of the board will gently andgradually raise it out of danger. An eye and 642 THE PRACTICAL BOY.…
Children's literature
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