CuRING AND SHIPPING THE CHEESE. 97 
dry-bulb reading, is the relative humidity, or per cent of satura- 
tion, i. e., the per cent of water the air is capable of holding at 
that temperature. 
The psychrometer is not as handy as the hygrometer, but is 
considered more reliable. 
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Fig. 50.—Psychrometer. 
The United States Weather Bureau has prepared a table of 
thermometer readings with corresponding humidity. The fol- 
lowing table was arranged for use in curing rooms by the late 
Professor F, H. King. 
