523 SEC. 12. APPLIED MECHANICS. 



The " Aloungpyah " is 245 feet in length, 26 feet in breadth, and 8 feet in 

 depth of hull. Above the main deck, raised upon iron stanchions as shown, 

 there is a light passenger deck and small cabin, and above that again, on a 

 continuation of the same stanchions, a light galvanized iron roof, watertight, 

 under -which a canvas awning is stretched to intercept the heat, and curtains 

 along the sides for the same purpose. With the exception of the upper 

 passenger deck and small cabins shown, the whole structure is of iron, so 

 arranged as to give the greatest strength with the least material. 



The engines are compound, diagonal, of 150 nominal horse-power, with two 

 cylinders 31 and 54 inches diameter by 54 inches stroke. 



Two boilers, cylindrical,' tubular, horizontal, carrying a working pressure of 

 70 Ibs. per square inch. 



The coal bunkers on both sides of the engine and boiler space have capacity 

 for 100 tons of coal, which in practice is found sufficient for the voyage from 

 Kangoon to Mandalay and back, a distance of 1 ,400 miles, with two barges 

 in tow lashed one on each side, and loaded as stated. 



2178hv. Model of the Composite Sailing Ships " James 

 Nichol Fleming " and ' Otago," showing framework of 

 composite ships of 1000 tons register. Built 1869. 



R. Duncan fy Co. 



^.The model is intended to show the arrangement of the framework of a 

 composite sailing ship of 1,000 tons register, and of the highest class at 

 Lloyd's. The keel, stem, sternpost, rudder, and planking are of wood. 



The frames, floors, beams, keelsons, stringers, and ties are of iron. The 

 vertical black lines show the frames. The longitudinal and diagonal plates 

 coloured blue show the outside ties on the frames, and the longitudinal black 

 lines show the seams or edges of the planks. 



The planking is put on outside of the frames and plate ties, and is bolted to 

 the frames and plates by brass bolts and nuts, the seams are caulked with 

 oakum, and then the whole wooden skin is sheathed with copper or yellow 

 metal. The iron framework is intended to ensure the rigidity and strength 

 of an iron ship, and the coppered bottom to ensure freedom from sea grass 

 and barnacles, to which iron ships are subject on long sea voyages. 



Whole Model, full-rigged, of the Sailing Ship 

 Lanoma." Built at Simderland, 1876, for Thos. B. Walker, 

 Esq., London. Length 185 feet, breadth 31 feet, depth J8 feet; 

 tons, 665 register. Austin and Hunter. 



The ship is barque rigged, and is on her first voyage. 



Whole Model of the Four-Masted Sailing Ship 

 " Shakespeare." Built on the composite system, iron framing, 

 with exterior wood planking, by Messrs. Short Brothers, for 

 W. Adamson, Esq., 1876. The ship is intended for the Australian 

 trade. Short Brothers. 



This four-masted sailing ship is designed for the utmost speed. From a 

 voyage made already by a sister ship to Australia, it is expected that the 

 " Shakespeare " will average 55 days on the passage. She is already at sea on 

 the first voyage. 



The officers and crew are housed on the upper deck, leaving the hull 

 entirely free for cargo carrying only. 



