Show fir 1 than bulc it would be dini cult says tho st louis republic to convince the avar age man that clr is u wood than oak hut such lia been proven by actual cestr that were made by a fair and impartial committee appointed for that purpose the timbers used were each inches and 4 feet conff both ends solidly braced and tho weight applied in the middle of the span yellow ur stood a strain of pounds common oregon oak pounds fine grained yellow fir from near the butt stood a strain of pounds and best michigan oak snapped a strain of only 2428 pounds the tests were made by the northern pacific railway company at tacoma wash |