305 ANNUAL REPORT 
and #1, are now brought to the same height and through the tube of the 
stopper s as much alcohol is poured as will bring the meniscus just below 
the marks mm and m,. By lifting the bottle f the burette is filled up to 
(ai FH) 
HOO 
S 
—— 
SEN 
WZ 
NES 
AARAAN 
S 
Nd SSS 
ZN N 
FEN 
WS Ay 
‘lek: 
SEY 
VEY 
Gey 
OLAV 
—_— 
— 
N 
Yl 
Fig. 71. The Meyer specific gravity apparatus. 
the stopcock h, and f, without closing the cock, is brought to its original 
position. -After 5 minutes, m and im, by pouring in more alcohol or by 
means of a micrometer screw are exactly defined. The outside of the 
stopper is then carefully dried with filter paper, f, raised till the alcohol 
