Examining block work under plaster
Andy Bennet wrote:
Yes you will, as all those other items will just clutter the picture with
there own signature - I assume the point of interest is behind those?.
Obviously wallpaper is ok as it is thermally homogeneous.
Thanks. May I ask what camera you used? And can an image be obtained with
the camera away from the wall, to cover a wider area, or does it have to be
actually in contact?
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