No. G. 



DEPARTMENT OF AGRICULTURE. 



625 



by the Standard Paint Company, New York and Chicago. In the 

 inside a layei' of matched sheathing is nailed to the studding, then 

 strips of inch furring two ioches wide, to which are nailed two thicli- 

 nesses of matclied sheathing, with paper between. The outer air 

 space between the studding is filled with sawdust or similar material 

 and the spaces left by the furring are closed air-tight at the ceiling 

 and door. (See Fig. A.) 



oooooo 

 ccccQoa 



c : 



Pig. B. Section of cheese-curlug 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, E. bricked entrance under funnel at outer end of 

 sub-earth duct: funnel with mouth Htj inches across; Ct, vane to hold funnel to the 

 wind; H, ventilating flue with damper. 



(From Wis. Agr. Exp. Sta. Bui. 70.) 



(5.) Ceiling and floor should also consist of two thicknesses of 

 matched lumber with paper between, and joints made at corners 

 should be very tight. 

 4U— 6—1902 



