sentences:  The most notable of these was Joshua Slocum's "Spray", a converted work boat in which he accomplished the first single-handed circumnavigation (1895-98).In the 20th century, cruising yacht design evolved past the handicapping rules-based designs of the 19th century towards more sea-kindly hull designs.In the 1930s yacht hulls were designed with a "fisherman" underbody, whereby the slope of the bow continued to the fullest extent of the draft and then carried horizontally aft.