26 



The evening now being far advanced, the lecturer was obliged 

 to curtail the remaining portion of liis paper, and after some 

 illustrations of the " black drop," and of the English and American 

 photoheliographs, had been thrown on the screen, he concluded 

 by giving a list of the various values which had been obtained for 

 the Sun's distance, showing how closely they all clustered around 

 92| millions of miles, despite the very different methods by which 

 they had been obtained. 



TUT.SDAY, DECEMBER 5th. 



A lecture on ' Portable Timekeepers," was delivered by 

 Edward Eiqg, Esq., M.A., Royal Mint. 



.•®^ 



