2 



The following resolution was then passed, on the motion 

 of Mr. Brakenridge, seconded by Mr. Hartop : — 



That the thanks of the Society be given to the Directors of the 

 Proprietary School, for tl\e use of their HalL 



The Secretary reported that Mr. Hartop and himself had 

 attended the meeting of the British Association in Manches- 

 ter, as representatives of this Society, and said, that accord- 

 ing to the arrangements made at Sheffield, this meeting was 

 appointed to be held on the Monday succeeding the close of 

 the sittings at Manchester, in the expectation that some of 

 the geologists who were there would attend ; but he regretted 

 to say, that owing to the Installation of the Duke of North- 

 umberland taking place this day. Dr. Buckland, who had 

 signified his intention to be present, had been obliged to leave 

 Manchester on Saturday, and the same circumstance had 

 called Professor Sedgwick away at a still earlier day. 



The Chairman, in alluding to the subject of the meeting 

 of the British Association at Manchester, said that the next 

 meeting of that body would be held at Cork, in Ireland. 

 They had very narrowly missed having it at York, in accord- 

 ance with an invitation that had been sent from that city. 

 He would take this opportunity of saying, that if the mem- 

 bers of the Geological Society wished to have the meeting 

 of the British Association held in Yorkshire in 1844, they 

 ought to attend the meeting in 1843, and give an invitation. 



The following Paper was then read : — 



ON THE RELATIVE PROPERTIES OF IRON, MADE BY THE 

 USE OF COLD AND HOT AIR BLAST IN THE SMELTING 



FURNACE BY HENRY HARTOP, ESQ., OF BARNBOROUGH 



HALL, NEAR DONCASTER. 



In the early part of the year 1829, the use of hot air in 

 the smelting furnace, for the manufacture of cast iron, was 



