Rigged Model USNM 3 1 1 006, of the Trans-Atlantic Liner Maurelania, built at Wallscnd-on-Tyne in 1 907 

 for the Cunard Line. When a passenger hner suffers a disaster, it is customary to change the name of the model 

 to that of her sister ship. The claim is made that this model was originally of the Lusitania. {Smithsonian 

 bhoto 22o6g.) 



upper deck. Her gross tonnage was 31,940. Scale 

 of model is '4 inch to the foot. 



Her indicated horsepower was 70,000 and her 

 service speed 25 knots. Her maiden voyage to New 

 York in November 1907 was accomplished in 5 days, 

 5 hours and 10 minutes, then a record. In March 

 1909 she ran from Queenstown to New York in 4 days, 

 12 hours and 6 minutes, and for years held the speed 

 records for both eastward and westward passages 

 imtil the North German Lloyd liner Bremen made 

 her maiden voyage in July 1929. She was later 

 employed for cruising service out of New York, 

 and made her last voyage in the fall of 1934. Ex- 

 clusive of wartime service, she made 269 double 

 crossings of the Atlantic. Affectionately known as 

 the Grand Old Lady of the .\tlantic, she was broken 

 up at Rosyth. 



Given by Franklin D. RoosexcJt. 



SINGLE-SCREW STEEL FREIGHTER, 1919 

 Rigged Model, usnm 306999 



American Merchant ^ ex Camhrai^ ex Shohokin 



This model of a steel single-screw freight steamer 

 represents a class of 12 prefabricated army transports, 

 built by the American International Shipbuilding 

 Corporation at Hog Island in Philadelphia, Pennsyl- 

 vania, for the LT. S. Shipping Board, Emergency 

 Fleet Corporation, of which 1 1 were delivered to 

 the U. S. Army and one to the LT. S. Navy. The 

 model is of the Shohokin: her keel was laid November 

 9, 1918. and she was commissioned October 30, 1920. 

 The design was intended to produce a swift freighter 

 and transport for wartime use. Later named Camhrai, 



the \essel was renamed American Merchant when trans- 

 ferred to private operators. 



The model shows a steel single-screw cargo steamer 

 having a straight keel with no drag, straight sheer 

 with well decks forming a 3-island deck arrangement, 

 an upright straight stem with slightly rounded fore- 

 foot, vertical sternpost, upright cruiser stern slightly 

 rounded at deck, keel cut ofT at an angle at sternpost, 

 dagger-type rudder. The entrance is short and sharp, 

 with some hollow at forefoot; the run is rather long 

 and hollow; and the dead flat is about one-third the 

 total hull length. The midsection is formed with a 

 slightly rising straight floor, a hard bilge on a small 

 radius, and a slight tumble-home in the topside. 



On the long deckhouse ainidships is the bridge, 

 pilothouse, a single stack, boats, and ventilators. 

 The four pairs of derrick masts, cross-trussed in pairs, 

 carry 14 cargo booms in all. 



Scale of model is )i inch to the foot. 



The vessels measured 450 feet overall, 58 feet 

 moulded beam, and 40 feet depth to upper deck: the 

 loaded draft was 28 feet. Weight of steel hull was 

 3400 tons, machinery with water 760 tons, joinery 

 and outfit 300 tons, giving a total ship's weight of 

 4460 tons; the displacement loaded was 12,460 tons 

 and the estimated measured gross tonnage 6200 tons. 

 These ships had six boilers, each of 1740 horsepower, 

 and a single turbine of 6000 shaft horsepower. The 

 l)oilers burned oil, the tankage capacity was 1600 

 tons, the consumption of fuel on trial 70}2 tons in 24 

 hours, and the cruising radius 8132 nautical miles. 

 Maximum speed was 15 knots. 



Model transferred from U. S. Senate Committee 

 on C'ommerce. 



141 



