CHEESE. 



289 



TABLE SHOWING THE RI]LATIVE HUMIDITY IN 

 THE AIR OF CrKING-R003IS. (King.) 



Directions.— Notice Ibat the table is in three column sections. Find 

 air temperature in first column, then find wet-bulb temperature in second 

 column, same division. In third column opposite this is relative humidity. 



Example.— Wx temperature is 50", in first column; wet-bulb is 44°, in 

 second column, same division. Opposite 44° is 61, which is the per cent 

 of saturation, or the relative humidity of the air. 



Caution. — Fan the bulb briskly for a minute or two before taking reading-. 



