524 



APPARATUS FOR MEASURING SURFACE TENSION 



Fig. 2. 



With the apparatus described above, with a platinum ring, the 

 circumference of which is equal to 4 cm., 77 dynes per cm. were 

 found for the surface tension of orchnary distilled water, at 25°C., 81 

 dynes at 0°, and 65 dynes at 80° (see Fig. 3). 



Fig. 3. 



