F. N. SPON, 16, BUCKLESBUIIY, LCXDOX. 



STEAM NAVIGATION. 



High-speed Steam Navigation and Steamship 

 Perfection Can perfection be defined in the form 

 of a Steamship, a Propeller, or any other 

 mechanical contrivance ? a proposition for the 

 solution of the Scientific World, and for the 

 consideration of the British Admiralty, by Eobert 

 Armstrong, of Poplar, 8vo, sewed, Is. 



SUGAR "kACHINERY. 



A Treatise on Sugar Machinery, by N. P. Burgh. 

 Engineer, with 16 plates drawn to a large scale, 

 royal 4to, cloth, 30s. 



SURVEYING. 



An Introduction to the present practice of Sur- 

 veying and Levelling, being a plain explanation 

 of the Subject and of the instruments employed, 

 illustrated with suitable plans, sections, and 

 diagrams, also with engravings of the Field In- 

 struments, by S. C. Brees, C.E., 8vo, cloth, 3s. 6d. 



SURVEYING. 



A practical Treatise on the science of Land and 

 Engineering Surveying, Levelling, estimating 

 quantities, &c., with a general description of the 

 several Instruments required for Surveying. 

 Levelling, Plotting, &c., and Illustrations and 

 Tables, by H. S. Merrett, royal 8vo, cloth, 16s. 



TRADE OF NEWCASTLE-ON-TYNE. 



History of the Trade and Manufactures of the 

 Tyne, Wear, and Tees, comprising the papery 

 prepared under the auspices of a Committee of 

 Local Industry, and other documents of a similar 

 character, read at the second meeting in New- 

 castle-on-Tyne of the British Association for the 

 advancement of Science, revised and corrected by 

 the writers, second edition, 8vo, boards, 3s. 6d. 



TURBINE. 



A practical Treatise on the construction of the 

 Turbine or Horizontal Water-wheel, with seven 

 plates specially designed for the use of operative 

 Mechanics, by William Cullen, Millwright and 

 Engineer, 4to, sewed, 6s. 



