+MK 



URNAL 



OF 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



THE ARTS. 



JUNE, 1802. 



ARTICLE I. 



On the Rev. Mr. Pearfon's Analogy for deducing the greatefi 

 Equation from the Eccentricity. In a Letter from Mr. 

 Olinthus Gregory. 



Cambridge, May 7, 1802. 



To Mr. NICHOLSON. 

 SIR> 



JL HE brilliant difcoveries which have been lately made by Interring dif- 

 aftronomers in different parts of Europe, have naturally pro- nomy . 

 duced a fpirit of inquiry in many perfons who have hitherto 

 paid little regard to (bientilic fubjects, and, at the fame time, 

 have excited an earneft and active folicitude in thofe who have 

 made considerable advances in the caufe of fcience> that thefe 

 inquirers be rightly directed in their purfuit. Among thofe 

 who have thus laudably exerted themfelves in the promotion 

 of ufeful knowledge, your ingenious correfpondent the Rev. 

 Mr. Pear fon, of Lincoln, (now of Parfon's Green) muft cer- 

 tainly be enumerated ; and his many able communications to 

 your Journal demand the thanks of its numerous readers. In Mr; Pearfon'* 



the laft of that gentleman's valuable papers on the planet Ceres ?*P*J* de " 

 ° * r r ducing the great- 



VoL.il. — June, 1802. F Ferdinandia, eft equation, 



