242 BE. B. Hunt on a new Sounding Apparatus. ° 
Arr. XXXI.—WNotes by Lieutenant £. B. Hunt, U.S. A., on a new 
Sounding Apparatus, proposed by him for Coast Survey use. 
tions with the hydrometer, and in the c 
should be quite frequen 
_ The following is my general idea of the construction of the 
weight on one side of the swelled 
