OSMOTIC PRESSURES OF SOME CONCENTRATED AQUEOUS SOLUTIONS. 489 
Cube 
Diagram 3. 
copper coil. A tight joint between the glass capillary and the porcelain tube is made 
by blowing a conical bulb in the former and inserting the taper end into the rubber 
plug I. The bottom of the tube is closed in a similar manner. 
A brass tube JK surrounds the capillary, and the joint between the two, at K, is 
made by slipping a piece of rubber tubing over a slight thickening in the capillary. 
VOL. CCVI.—A. 3 li 
is suspended in the sugar solution by means of the arrangement shown at D ; this 
consists in a glass capillary EF, furnished with a thistle funnel at H, and down 
which a platinum wire is threaded. The lower end of the platinum is connected to a 
