Capillary tube, with appurtenances, 

 for measuring the Compressibility 

 of Liquids. 



s ■ * — 



6"- - — 



AABB. Flange screwing to compression-pump. 



a be. Capillary tube containing thread of water between visible 



threads of mercury. Ends of threads at S and S'. 

 G G. Water-bath to cool paraffin plug- of capillary tube. 

 eeee. Annular vapour-bath of glass, containing charge, hh, of aniline 

 oil, kept in ebullition by the ring-burner HE. Non- 

 conducting jacketing of tube and screens not shown. 

 D tubulure for condenser, T for thermometer. 

 Observations made with the cathetometer observing each mercury 

 meniscus along the lines of sight S, S' , through the clear walls of the glass 

 vapour-bath eeee. 



