Marine power and services group Rolls-Royce has won a deal worth more than 17m pounds to supply deck machinery and engines for an Arctic anchor-handling tug supply vessel.Rolls will provide winches, cranes and deck operation equipment for the ship, which is built to handle anchors for oil rigs.Norwegian shipbuilder Vard Brattvaag in Norway will deliver the boat to customer Bourbon Offshore Norway in the first quarter of 2016.Rolls-Royce shares fell 18p or 1.7% to 1,052p at 11:56 in London.PW