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BTJIiLETIN L136, V. S. DEPAETMENT OF AGBICULTTJKE. 



Tabu: 8. — Drying schedule for 56-inch artillery wheel spoke blanks, oak, „'* by 



2% by 86 inches. 



Moisture 

 content. 



Dry bulb. 



Wet bull,. 



Relative 

 humidity. 



P(f a hi. 

 80 

 60 

 40 

 30 

 25 

 20 

 15 

 10 



°F. 



105 



106 



107 



110 



115 



120 



131.5 



142 



"F. 

 100.5 

 100.5 

 100. 5 

 101. 5 

 102 

 102 

 104 

 100 



Pi r vint. 

 85 

 82 

 79 

 74 

 63 

 54 

 40 

 30 



Tahi.e 9.- 



-Drymg schedule for 60-inch artillery wheel spoke blanks, oak, 8% by 



3i by 26 inches. 



Moisture 

 content. 



Dry bulb. 



Wet bulb. 



Relative 

 humidity. 



Per cent. 

 80 

 00 

 40 

 30 

 25 

 20 

 15 

 10 



"F. 

 100 

 101 

 102 

 105 

 110 

 115 

 127 

 140 



°F. 

 96 

 96 

 96 

 97 

 98 

 99 

 101 

 103 



Per cent. 

 85 

 82 

 SO 

 75 

 64 

 55 

 40 

 29 



Table 10. — Drying schedule for 56-inch artillery wheel rims, bent oak, JJ by 



. 3i by 56 inches. 



Moisture 

 content. 



Dry bulb. 



Wet bulb. 



Relative 

 humidity. 



Per cent. 



°F. 



"F. 



Per cent. 



70 



90 



83 



75 



65 



95 



88 



75 



60 



100 



93 



75 



55 



105 



97 



75 



50 



110 



102 



75 



35 



115 



105 



70 



30 



120 



105 



60 



20 



130 



106 



45 



IS 



140 



108 



35 



10 



150 



107 



25 



Table 11.- 



-Dryiny schedule for 60-inch artillery wheel rims, bent oak, 3J by 

 S| by 60 inches. 



Moisture 

 content. 



Dry bulb. 



Wet bulb. 



Relative 

 humidity. 



Per a nt. 



°F. 



F". 



Per cent. 



70 



85 



78 



75 



65 



90 



83 



7.3 



00 



95 



88 



75 



55 



100 



93 



75 



50 



105 



97 



75 



35 



110 



100 



70 



30 



115 



100 



60 



20 



125 



102 



45 



15 



135 



104 



35 



10 



145 



104 



25 



