IX. — On Physical Data, applicable to Mathe- 

 matics^ in the Science of Meteorology, Hydro- 

 dynamics, Heat, Sfc. By Robt. Rawson. 



(Read October 5, 1847.) 



The collection of physical data has been at all 

 times, considered an important part in the suc- 

 cessful prosecution of natural knowledge ; no 

 great advancement can be hoped for without it, 

 either in the laws which regulate the operations 

 of nature, or in the combining together of those 

 laws in such a manner, as to establish completely 

 a theory, by means of which we can explain the 

 various and complex, yet harmonious, phenomena 

 which are frequently presented to our senses. 



This part of the labours of the inquiring votary 



of science has assumed a more important aspect 



since the time of the Novum Organum, and the 



successful application (of the method which Lord 



u u 



