HEAVY TIMBER 



with an engineering type. At that time the cost for mill constructed buildings 

 would have shown a greater difference than I found for reinforced concrete. 

 As a matter of fact we could not obtain low enough rates in insurance on 

 sprinklered reinforced concrete buildings over sprinklered mill construction 

 to pay the difference in the interest on cost of the two types of buildings. 



An Example of Mill Construction in Chicago. 



(F. E. Davidson, Architect and Engineer, Chicago.) 



"Since my return to Portland I have been ostensibly practicing economy, 

 so I can not give you the best of comparisons from my experience. But in 

 the recent effort to relieve building conditions in the inner fire district, which 

 resulted in eliminating one-third from the inner into the outer district, we 



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