Re: Rapido USRA double sheath and single sheath boxcar question


        Here (attached) are my railroads observations on single vs double sheathed from about 100 years ago. 
Of the fifth listed reason for double sheathing, one must recall that at the time, the billboard ban on freight cars was well into the future.  
Source of this are the corporate records found at the Minnesota Historical Society.                              James Dick - Roseville, MN 

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