Founded May 25 1743 



Incorporated March 15 1780 



First Occupation of Hall November 21 1789 



PROCEEDINGS 



COMMEMORATIVE OF THE 



CENTENNIAL ANNIfERSARI 



First Occupation of the Hall of 

 the Society 



NOVEMBER 21 1889 



Committee of Arrangements 

 J. Sergeant Price Chairman William A. Ingham 



Richard Vaux Charles A. Oliver 



W. S. W. Ruschenberger Henry Phillips, Jr. 



