22 



BEAMS. 



portion a, while the clevis is attached at d' to 

 the thin portion c, substantially as and for the 

 purpose described. 



6. A wrought-metal beam in its cross-section 



having the form of an inverted cross, or with 

 its short lateral arms or branches nearer the 

 bottom than the top of the beam, substantially 

 as and for the purpose described. 



