APPENDIX. 941 



2178go. Drawing of Machinery for Boring Cannon, 

 for Rio Janeiro, 1813. Maudslay, Sons, and Field. 



2 178gp. Model of the Engines of H.M. ships " Boadicea" 

 and " Bacchante," on the compound system, of 5,250 horse- 

 power indicated, 1875 and 1876. J. and G. Rennie. 



2178gq. Model of Horizontal Marine Engines, with 

 injection condensers. Made by J. and G. Rennie, 1860. 



J. and G. Rennie. 



2178gr. Model of Reversed Horizontal Marine Screw 

 Engines. Built 1860. J. and G. Rennie. 



2178gs. Drawing, design for 60 horse-power Low 

 Pressure Condensing Disc Engines for Screw Steam- 

 ship. 



The drawing shows front, side, and back elevation and plan. 

 Section of H.M.S. "Cruiser," fitted with the disc engines, 1853. 



J. and G. Rennie. 



2178gt. Album containing Drawings of Marine Steam 

 Engines, designed by R. Napier and Sons from 1838 to 1840, 

 for steamships " British Queen," and vessels of the Cunard line, 

 Transatlantic service. R. Napier and Sons, Glasgow. 



2178gu. Compound Surface-Condensing Marine En- 

 gines. T. Richardson and Sons, Hartlepool. 



Three drawings of marine engines of the most modern construction. 



One drawing represents engines of the largest class fitted with steam re- 

 versing gear. 



Another drawing represents engines of a more moderate size, and gives 

 the names of the vessels into which they have been fitted. 



A third drawing represents marine engines of the smaller class. 



The three drawings all represent compound surface-condensing engines. 



218Oe. Memoir, written by Don Fernandez Duro, upon the 

 models of metal plated ships made in the last century, preserved at 

 the Ministry of Marine at Madrid. With plates. 



Archceological Museum, Madrid. 



2181a. Model of the Old Lighthouse on the Smalls 

 Rocks, about 17 miles off the coast of Pembrokeshire. Erected 

 1776; replaced in 1861 by a stone lighthouse. The model is 

 made out of one of the oak pillars of the original lighthouse. 

 Executors of the late Captain Pickering Clarke, R.N. 



South Kensington Museum. 



2181b. Model of the Lighthouse on the Needles 

 Rocks, Isle of Wight. Built 1857-1858. Light shown 1 January 

 1859. Trinity House, London. South Kensington Museum. 



