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ELE ER 
Sema lebslalelsVetaDadslabsUabetsUsteleisleeltIetstetelsotalteli 
Plate VIII.—Section of cheese-curing room and horizontal multiple sub-earth duct. 
A, inlet to curing room; B, end of sub-earth duct in bricked entrance to factory; 
C, cross-section of the multiple ducts; D, H, bricked entrance under funnel at 
outer end of sub-earth duct; F, funnel with mouth 36 inches across; G, vane to 
hold funnel to the wind; H, ventilating flue with damper. (From Wis. Agr. 
Exp. Sta. Bul. 70.) 
