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fol. 68r    [fol. 67v is blank]	'Of Truth of Space … Power of the Eye' (Pt II, Sn II, Ch V)    (3.327-28) *
      
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     quite black . so that their forms may be very distinct - more distinct
     indeed than forms ever are in nature for she never puts pure black
     on pure white  .   Place your paper against the wall at the end of
     the room -  and retire from it a greater or less distance - according
 5   as you have drawn the figures large<r>[?] - {or smaller} or are yourself more or less
     near sighted   .  You will come to a point at last - where . though
     you see both the spots perfectly plainly ,  you cannot tell which is
     the square  . & which the circle .
     Now this takes place of course - with every object in a landscape.  In
10   proportion to their distance & size  .    The ^ {definite} forms of the leaves of
     a tree - however sharply & separately they may ^ {appear to} come ^ {<as spots>}
     against the sky .
     are quite indistinguishable a hundred yards off.*   and the form of
     everything becomes indistinct - and like a spot.  before we finally lose sight
     of it .   <nor is it ever distinctly seen - with a sharp outline  .  beyond the first
15   hundred yards .  >     Now . if the character of an object - say the front
     of a house .  be told by a variety of forms <upon> {in} it - as <for> the shadows
     in the tops of the windows - the lines of the architraves - the seams
     of the masonry &c -  these lesser details - as the greater object retires
     from us - become confused & undecided - each of them losing their
20   {definite} forms - but all being perfectly visible as something - a white <spot> -
     or <a> dark spot - ^ {or stroke} not lost sight of - observe - but yet so seen that we cannot tell what they are .     As the distance increases - the confusion
      

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