[Bell Historians] Saw Pit Frame
    Roderic Bickerton 
    rodbic at pbzHTIdXVnXLPF16FBMX496NsymB4meIIBli7UGOuVUbfYxRDu904ntKJrcaP0QjbBzQQ-Sr3ZSTWjFC1g.yahoo.invalid
       
    Wed May 25 22:07:40 BST 2011
    
    
  
There are examples where the tower only has real 
strength in one direction, so the best layout is 
very dependant on the tower structure.
Thanks for this reply - if there a problem in 
this layout having a negative effect on tower?
Mike
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