on Mixtures of Alcohol and Water 



Table I. — Cell /5. Ethyl-alcohol solution. Strength for 

 maximum contraction. 





Time. 



Gauge Readings 

 (mm. scale). 





Cell in water 



Aug. 13. 12.50 



open 290-8 

 closed 291 -5 







Aug. 14. 10.0 



428 



Internal pressure 



Placed in alcohol. 







[nearly 3 atmos. 





10.20 



open 289 

 closed 290-5 







10.30 



299 







10.50 



3105 







11.8 



311 



Max. of temporarv 





11.20 



308-5 



[rise. 





11.45 



30O-5 







12.25 



283 



open 288'5 



1 Fall in pressure. 



Placed in water. 











12.30 



closed 288 5 







12.36 



287 



1 





12.45 



283 



)- Falling. 





3.0 



273 





4.20 



315 



Steady rise. 



Placed in alcohol 









without relieving 



4.30 



323 





pressure. 



4.35 



327 







5.3 



336 



Max. of temporary 





5.36 



334 



[rise. 





8.10 



285-5 

 open 288 



1 Permanent fall. 



Table II. — Cell XXIY. Solution of Propyl Alcohol 

 60 c.c. of alcohol in 100 c.c. of solution. 





Time. 



Gauge Readings 





Cell in water. 











Monday 12.35 



closed 268 







2.20 



303 







4.20 



349-4 



Steady normal rise. 



Opened and placed 









in propyl alcohol. 



4.28 



closed 271-6 







4.34 



276-4 



Rising. 





5.17 



300 







8.0 



269 



Falling. 





Tuesday a.m. 



Beyond the bend 



Showing consider- 







of the gauge-tube 



able outflov.'. 



Placed in water. 











9.45 



274-5 



]■ Temporary fall, 





11.20 



270-2 





12.10 



270 





b.h 



330 







5.20 



336-2 

 open 277 



I Rapidly rising. 



