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68 CURVED TREE PRINCIPALS [cm

and he had solved the difficulty in an unusual manner. A piece
of wood, the upper part of which tapered to a feather edge, was
pegged to the back of the cruck at some distance below the ridge.
The usual purlins and wind braces were fixed into the back of this
piece of wood, which was contemporary with the crucks and served
as a principal rafter of a very primitive kind. This is shown in

   

        
 
 
  

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Fig. 34. Old Farm Building at Bradway, Norton, North

Derbyshire, showing rudimentary principal rafter fixed
to the back of the cruck.

Fig. 34: the floor is that of an upper storey which was put in
during the seventeenth century alterations. The original tie-beam
is now inconvenient, and the crucks run down to the floor of the
storey below.

Under the floor shown, and below the tie-beam, is a later heavy
beam which carries the joists of the floor. There is a considerable

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