ro-pelling the vessel, and therefore attended with less of that vibration whicharises chiefly from the alternate depression and elevation of tbe water,owing to the oblique action of the paddle-boards. 58. Fields split paddles.—In the year 1833, Mr. Field, of the firm ofMaudslay and Field,… … posed to arrange in such cycloidal curves that they must all enter thewater at the same place in immediate succession, avoiding the shock pro-duced by the entrance of the common board. These split paddle-boardsare as efiicient in propelling when at the lowest point as the commonpaddle-boards, and,…
Steam-engines · Steam-navigation · Locomotives
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
