The compleat ship-wright [electronic resource] : plainly and demonstratively teaching the proportion used by experienced ship-wrights, according to their custom of building, both geometrically and arithmetically performed : to which are added certain propositions in geometry, the use of a diagonall scale, to draw a draught, with the making, graduating, or marking of a bend of moulds, and ordering of the same : the extraction of the square root, with a table of squares : also, a way of rowing of ships, by heaving at the cap-stain, useful in any ship becalmed, with other things useful in that art / by Edmund Bushnell, ship-wright.