98 



that he should move its postponement to some future period, 

 when they could be present. 



The Chairman requested that Mr. Morton would take 

 the paper and make a condensation of it previous to the 

 evening meeting, so that they might have it gone into 

 regularly. 



Mr. Morton consented, and the paper was delivered to 

 him. 



The meeting then adjourned. 



At the Evening Sitting the chair was again taken by 

 the Rev. Dr. Scoresby, who called upon Mr. Morton to 

 give in his condensation of the paper read in the morning. 



Mr. Morton delivered the original paper, and stated that 

 he had been unable to make a satisfactory abstract. 



Mr. Hartop then entered into a statement in defence of 

 the cold blast system of making iron, and in the course of 

 his speech detailed the following experiments : — 



First, — Mr. Fairbairn's experiments, published in the 

 " Manchester Memoirs." 



Bars of 1 inch square and 4 feet 6 inches long between 

 the supports : — 



Breaking Power to 



weight. resist impact. 



Oldbury cold blast iron 453 lbs 822 lbs. 



Oldbury hot blast iron 534 „ 549 „ 



Using the same coal and iron stone :— 



Elsecar cold blast 446 lbs 992 lbs. 



Milton hot blast 353 „ 538 „ 



Working in the same mineral field in North Wales : — 



Ponkey cold blast 567 lbs 992 lbs. 



Plaskynaston hot blast 378 „ 517 „ 



The second experiment was also by Mr. Fairbairn, made 

 with fifty sorts of iron, of which each bar of hot and cold 



