394 SEC. 12. APPLIED MECHANICS. 



Note. Two of these boilers were lent to H.M.'s Commissioners for the 

 Vienna Universal Exhibition of 1873, for use in supplying steam to drive the 

 British machinery exhibited in motion. 



The drawing shows front or firing and elevation of boilers ; longitudinal 

 elevation with brick setting. 



Longitudinal sectional elevation, showing arrangement of flues; blow-off, 

 feed, and other pipes. Brick settings. 



Two cross sections. One through centre of boilers ; the other through 

 back end, showing brick setting, flues, &c. 



19 7O. Sectional Model, in brass, showing the tubular arrange- 

 ment, water spaces, and circulation of Richardson's patent vertical 

 high-pressure steam boiler. Robey & Co., Limited, Engineers, 

 Lincoln. South Kensington Museum. 



1971. Drawing of Richardson's patent vertical high-pressure 

 tubular steam boiler. Robey & Co., makers. Robey & Co., 

 Limited, Engineers, Lincoln. South Kensington Museum. 



Note. The drawing shows a sectional elevation indicating the water cir- 

 culation and the direction of the fire and products of combustion. Also a 

 sectional plan of the boiler. 



1972. Drawing, on a |-inch to 1-foot scale, of Howard's'patent 

 tubular safety land boiler ; for high-pressure. J. and F. Howard, 

 Engineers, Bedford. South Kensington Museum. 



Note. The drawing illustrates a front view of the boiler; longitudinal 

 through section and plan. A cross section. 



On a scale of full size is shown the detail of the water tube connexions. 

 These boilers are made by the Barrow-in-Furness Ship-building Company. 



1973. Drawing, on a 1^-inch to 1-foot scale, of Messrs. A. 

 Chaplin & Co.'s patent vertical tubular high-pressure steam 

 boiler. Alexander Chaplin & Co., Engineers, Glasgow. 



South Kensington Museum. 



Note. The drawing shows vertical through sections. Two plans of the 

 disposition of the upper and lower tubes.. 



1974. Drawing, sectional, on a 3 -inch to 1-foot scale, of an 

 improved vertical high-pressure steam boiler, having horizontal 

 water tubes with " Nozzle " ends, to assist the water circulation. 

 From the construction of the tubes with Nozzle ends this boiler is 

 called the " Nozzle " boiler. Reading Iron Works Company, 

 Limited, Reading. South Kensington Museum. 



Note. The drawing shows a through sectional elevation of the boiler, and 

 a sectional plan of the arrangement of the tubes ; the circulation of the 

 water, together with the direction of the fire and products of combustion. 

 Scale 3 inches to 1 foot. 



1975. Steam Pump. Horizontal direct-acting steam engine 

 and pump for feeding steam boilers with water, or for pumping 



