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TABLE SHOWING THE REIiATIA E HU3IIDITY IN 

 THE AIR OF CURING-ROOMS. (King) 



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

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

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



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

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

 of saturation, or the relative humidity of the air. 



Cautioti. — Fan the bulb briskly for a mumte or two before taking reading. 



