XVI CONTENTS. 



Page 



Mr. R. A. Macfib on Patents considered Internationally 263 



Professor W. J. Macquorn Rankine on the Resistance of Ships 263 



Appendix to a Paper " On the Resist- 

 ance of Ships " 264 



Mr. J. Robinson on the Application of Workshop Tools to the Construction 



of Steam-Engines and other Machinery 264 



Mr. C. W. Siemens on a System of Telegraphic Communication adopted in 



Berlin in case of Fires 264 



Mr. F. W. Sheilds on Iron Construction ; with Remarks on the Strength of 



Iron Columns and Arches 265 



Mr. W. Spence on Patent Tribunals 265 



Mr. B. B. Stoney on the Deflection of Iron Girders 265 



Mr. W. Tate on Bailey's Steam-pressure Gauge 266 



Mr. T. Webster on Property in Invention, and its Effects on the Arts and 

 Manufactures 266 



APPENDIX. 



Mr. Isaac Ashe on the Causes of the Phenomena of Cyclones 266 



Professor J. E. T. Rogers on Prices in England 1582-1620, and the Effect of 

 the American Discoveries upon them during that period 269 



Mr. Daniel Stone on the Rochdale Cooperative Societies 269 



Mr. William Westgarth on the Commerce and Manufactures of the Colony 



of Victoria 269 



Mr. Richard Valpy on the Commercial Relations between England and 



France 269 



Mr. T. A. Welton's Examination of the increase of density of Population 



in England and Wales 1851-61 269 



Mr. Henry Fawcett on the Economical Effects of the recent Gold Discoveries 269 



Professor F. Grace Calvert on some Woods employed in the Navy 269 



Messrs. Silver on Telegraphic Wires 269 



Mr. Septimus Mason on a Locomotive for Common Roads 269 



Mr. T. S. Prideaitx on Economy in Fuel 269 



Mr. S. Bateson on an improved Feed Water Heater, for Locomotive and other 

 Boilers 269 



