CONTENTS OF VOLUME II. 



Meeting at Wakefield, July 4th, 1842 — Page. 



" On the Relative Properties of Iron made by the Use of Cold and 



Hot Air Blast in the Smelting Furnace," by Henry Hartop, Esq. 2 



" On the Molecular Change in the Constitution of Wrought Iron, 

 from the Effects of Vibration and Concussion," by Richard 

 Solly, Esq 14 



Meeting at Wakefield, September 7th, 1842 — 



Report of Council at the Annual Meeting 



*' On the Failure of the Red and White Clover upon certain Soils," 



by the Rev. William Thorp 



" On Arboriculture," by James Hamerton, Esq 



Meeting at Bradford, December 14th, 1842 — 



Address of the Chairman 



" An Explanation, with Illustrations, of a Practical Method of Deter- 

 mining the Qualities of Iron and Steel, and the Degrees of 

 Hardness of the latter," by the Rev. William Scoresby, D.D., 

 F.R.S., &c 



" Experiments made upon Iron Manufactured by the Hot and Cold 

 Blast," by William Graham, Esq 



Meeting at Halifax, March 8th, 1843 — 



" On Rendering Available for Agricultural Purposes a Variety of 



Mineral Substances and Refuse from Mines, hitherto considered 



of no Value," by Henry Briggs, Esq 104 



" On the Reciprocal Propelling Powers of Fluids and certain Rotary 



Machines upon each other," by Benjamin Biram, Esq 116 



*' On the Process of Blasting by means of Galvanism," by Martyn J. 



Roberts, Esq. , F. R. S. E. , &c 126 



Meeting at Doncaster, August 1st, 1843 — 



" On the Indications which are Guides in Judging of the Fertility or 



Barrenness of the Soil," by the Rev. William Thorp 139 



Meeting at Wakefield, September 27th, 1843 — 



Report of Council at the Annual Meeting c 157 



" On a Remarkable Case of the Action of Spring Water on Lead," 



by William West, Esq 162 



17 



21 



43 



75 



78 

 92 



