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fol. 62r  [fol. 61v is blank] 	'Of Truth of Space … Focus of the Eye' (Pt II, Sn II, Ch IV)    (3.320-21)
      
     										39
     #65#< Turner alone to reach . the truth of nature in this respect.   I shall
     endeavour to show by what means        The first step was to destroy
     the appearance of intersection between the lines .   <Thousa>   Many
     artifices were employed to effect his - but the chief was that of destroying
 5   one of the outlines - generally that of the distance - wherever it <crossed> {met}
     a decided line of near object >
     But.  be it observed . (and I have only to request that whatever I say
     may be tested by immediate experiment ). that the difference of focus
     necessary is greatest within the first 200 yards {<of>} .   and that therefore -  though
10   it is totally impossible to see an object within <20> {10} yards of the eye. & one
     a quarter of a mile beyond it - at the same moment . it is perfectly
     possible to see one a quarter of a mile off . and one five miles beyond it
     at the same moment .    The consequence of this is . practically . that ^ {in a real
     landscape} we
     can see the whole of what <is> ^ {in a picture would be} called the middle distance
     		 & distance . with
15   facility & clearness .   but while we do so -  we cannot see the foreground . except
     by vague & indistinct arrangements of lines & colours .  and that if on the
     contrary - we look at the foreground , so as to receive a distinct impression of
     it - the middle distance & distance are all confusion & mystery  .
     And therefore . if in a painting - our foreground is anything - our distance
20   must be nothing - or - in other words - if we represent <both foreground> & {our near
     & distant objects}
     <distance> as <cause> giving <each> ^ {both at once} that distinct impression
     to the eye . which
     we receive in nature from each ^ {when we look at them} separately - and {if we}
     distinguish<ed> ^ {them} <only> from
      

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MW