TABLE J. 



Deflections of Beams XXIV and XXV. 



Breaking weight of Beam XXIV = 76,900 Ibs. for beam of reduced 

 length. 



Breaking weight of Beam XXV = 42,900 Ibs. 



Table J sliowin" 1 deflections in inches of two Douglas Fir planks 

 under gradually increased loads. 



Breaking weight of Plank 1 =. 22,250 Ibs 

 2 - 13,250 " 



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