IX. NAVAL ARCHITECTURE, ETC. 491 



a condensing steam-engine of 4 horse-power. She had at first two sets of 

 paddle-wheels on each side of the vessel (shown in the model). Her greatest 

 speed was five miles per hour. 



2178cb. Working Drawing, by John Wood, Port Glasgow, 

 of the " Comet," built by him in 1811 for Henry Bell. 



R. Napier. 



The " Comet" was the first vessel propelled by steam that regularly traded 

 in Europe. 



This drawing was presented by John Wood to E. Napier. 



The engine of this vessel was presented by 11. Napier and Sons to the South 

 Kensington Museum. 



2178ct. Photograph of the "Comet" and "lona" 

 Steamers, 1811, 1874. John Hamilton. 



From a painting by Wm. Clark-Greeuock, to illustrate and keep on record 

 the appearance of the first British steamer, and also to make a comparison 

 between the past and present types of Clyde river steamers. 



2148a. The Original Engine of Henry Bell's Steamboat 



" Comet, " which was the first steamboat in Europe advertised 

 for the conveyance of passengers and goods. 



H.M. Commissioners of Patents. 

 The engine was made and fitted on board the " Comet " in 1812. 



2148b. Drawing of the " Elizabeth," bnilt by Charles 

 Baird in 1815, and run on the Neva. 



George Baird, St. Petersburg. 



She was constructed out of a barge, and the chimney was of brick. The 

 floats of the paddle-wheels were kept in a vertical position by means of 

 shafts and mitre -wheels. Scale of drawing, | inch to the foot. 



214:3 c. Drawing of Paddle-wheel Steamer, built by 

 Charles Baird in 1817, to carry passengers between Petersburg 

 and Cronstadt, showing end view, longitudinal view, plan, and 

 longitudinal section. George Baird, St. Petersburg. 



A. Steam engine. 



B. Boiler. 



C. C. Crank shafts on either side, -with fly-wheel. 



D. D. Toothed wheels driving paddle-wheels. 



E. E. Paddle-wheels with floats revolving 50 turns per minute, by which 

 the vessel is propelled. 



F. Funnel leading from furnace serving in place of a mast. 

 G. G. Fore and aft cabins. 

 H. H. Side decks, to protect the wheels from the blows of the waves. 



I. I. Paddle-boxes. 

 K. L. Staircase and rudder. 

 Scale of drawing, " to 1 foot. 



2148f. Picture of the " Great Western " steamship, the 



first steamer that traded regularly between England and America. 

 Bate 1838. Maudslay, Sons, and Field, Engineers. 



