PE - The use of negative evidence

Stephen Wyley stephenw-hrt at
Mon Feb 21 18:21:33 PST 2000

Hi All,

Lady Marguerite wrote;

>  Many pictures depict the use of guy ropes which pull the roof edges tight and round.
>  I have heard more than enough people assume  that side poles were not period.  Bull!
>  Just because you don't have a painting of it doesn't mean they weren't used.  Can we
>  honestly believe that something that simple  just didn't occur to anyone until recently?
>  Have we had some surge of technology that only recently made side poles usable?
>  Of course they were used in roundels among other designs.

Simply, the lack of evidence does not prove nor disprove a theory, 
therefore the use of "negative evidence" to support a theory is 
essentially flawed.

>From my research side poles appear in the larger pavilions and 
marquees of the 16th century.

Bye for now,

Stephen Francis Wyley
stephenw-hrt at
Technical Officer
(Plant Tissue Culture, Chemistry and Soil Science)
Conservation and Applied Science Department, NMIT


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