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of double the thickness will dry in two days or thereabouts; thus
the small addition of weight will be balanced by the smaller
difference of time [18].
The adversary says that a which projects, slips down.
And here the adversary says that r slips and not c.
HOW TO PROGNOSTICATE THE CAUSES OF CRACKS IN ANY SORT OF WALL.
The part of the wall which does not slip is that in which the
obliquity projects and overhangs the portion which has parted from
it and slipped down.
ON THE SITUATION OF FOUNDATIONS AND IN WHAT PLACES THEY ARE A
CAUSE
OF RUIN.
When the crevice in the wall is wider at the top than at the bottom,
it is a manifest sign, that the cause of the fissure in the wall is
remote from the perpendicular line through the crevice.
[
Footnote: Lines 1-5 refer to Pl. CV, No. 2. Line 9 alle due
anteciedete, see on the same page.
Lines 16-18. The translation of this is doubtful, and the meaning in
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