BvuLMtg. Ser.4. Vol. 3S.Fb.VI. 



Berthelot's New Themjomoiw 

 for mzasccrxng temperatures aJjovey tiu^ Buffing 

 Potrvb of Mercury: 



(WaJxrJ 



(Mercury) 



(SvJbphxr) 



J.Basirt, luJu 



