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8 MATHEMATICAL A i^T) 



Thefe things are fubmitted, with all humility and dc 

 fercnce to the judgment of this refpe£tablc Society, by 



Their very humble Servant, 



Philadelphia^ June 14, 1768. 



JOHN EWING. 



N. 



The difference between fome of thefe Numbers 



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ed by negle£ling the 21^' of correftion in the place of 

 Venus, as inconfiderable, the effedi of which is here ta- 

 ken into the computation, and the^refult is fet down above. 

 Sec the proje£lion, plate 2. 



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Account of the Transit of Venus o'ver the Sui 

 3iSK, as ob/erved atNoRRiro^Ny in the Count j ofF] 

 dide\ph.i3i^ and Province (j/Pennfylvania, June 3d, ij( 



I t 



William Smith, D. D. Provojl of the College of ?] 

 adelphia, John Lukens, Efq; Survey or-General 

 r*ennfylvania, David Rittenhouse, J. M. of Not 



nd John Sellers, Efq; Reprefentative in Affc 



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blyfc 



•dfor that Ohfc 



American Philosophical Society, held at Phi- 



f or promoting ufefi 



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Behalf of the Committee; hy Dr. Sm 



G E N T LE M E N, 



A 



M O N G the various public fpirited defigns, that 

 have engaged the attention of this Society^ fince its 

 firft Inftltution ; none does them more honor than their 

 'early refolution to appoint Committees, of their own 

 Members, to take as manyobfervations, in different places, 

 of that r^r/f Phfsnomenon^ the Transit of Venus over 



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the SunV Disk, as they had any probability of being able 

 to defray the expence of, either from their own funds, or 

 the public affillance they expcdcd. 



As 





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