Context of (inscribed to the British land and sea officers.) The British Mars. : Containing several schemes and inventions, to be practised by land or sea against the enemies of Great-Britain. Shewing more plainly, the great advantage Britain has over other nations, by being masters at sea. In Two Parts. Part I. contains. The Construction of Boats both to stow in less room in Ships, and goswiftly, to discover an Enemy's Coast, and to land and embark Troops with greater Safety; also to construct Vessels to lye nearer the Shore, to better protect the Troops in landing or embarking; also rolling Defences to be used as floating Batteries, or as Floats for landing Cannon, &c. and for making Defences and Batteries on Shore more expeditiously, and for filling up Ditchee, &c. Also contains a Method to fit old Ships of War and small floating Batteries, to batter land Defences with greater Force; and another Method to fit old Ships of War (that cannot be sunk by Shot) to lye before Batteries and receive the Shot, while other Ships pass by; with Remarks and Observations. Part II. contains Methods to fortify dwelling Houses, that even Women and Children may defend themselves from Indians with small Arms, designed for our Settlements in America, and other Places. Also a new Method of Fortification, and making Batteries. To which is added, an appendix, Containing a Scheme for Manning the British Navy, with less Grievance to the Subject; And a Scheme to employ Seamen: Of a Copper Mine near Hudson's Bay: And of discovering the North-West Passage, or determine there is no such Passage; with Cautions and Directions. By Joseph Robson, engineer. The whole illustrated by eleven plates

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