502 



STATE BOARD OF AGRICULTURE. 



liquid is not moistened. The lij'drometer should float freely and not 

 touch the bottom or walls of the cjdinder. To read the hydrometer, bring 

 the eye on a level with the surface of the solution and note where the 

 true surface of the liquid intersects the scale; disregard the film of liquid 

 drawn up around the stem by capillarity. For example, the true read- 

 ing on the hydrometer in Fig. 4 is 20 and not 17. 



Fig. 4. Method of Reading the Saccharimeter. The reading should be taken at the bottom of the 

 meniscus. The above reading shows 20 per cent, cane sugar. See directions for use,[;page 501. 



