The new (1902) turbine steamer is the QUEEN ALEXANDRA, a three-deck passenger steamer intended also for the Firth of Clyde passenger service. She is 270 feet long, by 32 feet beam, and depth 11 feet 6 inches. She has two funnels, but only one pole mast. Her main deck is completely covered in from the bow to aft of the engine room, and above the spar deck she carries a shade deck 100 feet in length, to which passengers have access, and under which shelter is provided in wet weather. Like her sister vessel, the KING EDWARD, the main engines of the QUEEN ALEXANDRA consist of three separate turbines, each driving its own shaft, the centre turbine being high-pressure, and the two side turbines low-pressure. The velocity of the centre shaft is about 700, and of each of the side shafts 1,000 revolutions per minute. On account of the high velocity at which the shafts revolve it is necessary to increase the number of propellers driven, and the turbine steamers, therefore, have five small propellers each, one on the centre shaft, and two each on the outside shafts. On the builders’ trials the QUEEN ALEXANDRA exceeded the speed of the KING EDWARD by a knot and a quarter. Her actual speed was 21·63 knots, equal to about 25 miles per hour. Two Channel steamers designed to carry passengers and mails, and to be fitted with Parsons’ marine steam turbine engines, are now (1903) being built on the Clyde by Messrs. Wm. Denny and Brothers. Of these, one, the QUEEN, is to the order of the South Eastern and Chatham Railway Co. She will be 310 feet long and 40 feet broad; and she is to maintain a speed of at least 21 knots. The average time occupied at present on the passage between Dover and Calais is 65 minutes, but the new vessel is expected to reduce the time to 50 or even 45 minutes. The mode of propulsion is practically the same as that on the QUEEN ALEXANDRA, namely, three shafts carrying five propellers. The other Channel steamer referred to as being built is intended for the London, Brighton and South Coast Railway Co.’s service between Newhaven and Dieppe. Her dimensions are, length 280 feet, beam 34 feet, draft 22 feet; with a gross tonnage of 1,100 tons. The EMERALD, one of the three yachts referred to at the beginning of this chapter, is the first vessel fitted with turbine machinery that ever crossed the Atlantic. She arrived at New York, after encountering tempestuous weather on the passage, on the 6th May, 1903. Her qualities as a sea-boat were severely tested during the voyage, with entirely satisfactory results. She was built for Sir Christopher Furness, M.P., by Messrs. Alex. Stephen & Sons, Limited, of Linthouse, and fitted with machinery by the Parsons Marine Steam Turbine Co., Limited, of Wallsend-on-Tyne, and it was found that when the yacht was steaming at the rate of 15 knots per hour, the machinery ran with an absence of vibration and noise.