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Lines 19-23 are on the right hand margin close to the two sketcheson Pl. ON THE
PROPER MANNER OF LOADING THE POINTED ARCH.
III 72b contains two sketches of
ornamentations ofwindows. [Footnote: The text is incomplete in the
original.
Here, as in all other casesLeonardo carefully avoids all abstract
argument.
ON THE SITUATION OF FOUNDATIONS AND IN WHAT PLACES THEY ARE A CAUSEOF
RUIN. A new tower founded partly on old masonry. HOW TO PROGNOSTICATE THE
CAUSES OF CRACKS IN ANY SORT OF WALL.
There they appear coupled, and in two
stories one above the other. They showsome of the forms, just mentioned,
adapted to the peculiar gothicstyle of that monument. 5 is sketched by theside
of lines l5--and following.
ON THE SHRINKING OF DAMP BODIES OF DIFFERENT
THICKNESS AND WIDTH. XCVIII, no less than one of thepedestals for the statue of
Francesco Sforza (Pl.
_ _This is not the place to enlarge on the connection
between Leonardoand Marc Antonio della Torre. And here the adversary says that
_r_ slips and not _c_. [Footnote: The text of this passage is reproduced in
facsimile onPl.
_ _The architectural forms preferred by Leonardo are pilasters
coupled(Pl. III 72b contains two sketches of ornamentations ofwindows. Arches
which depend on chains for their support will not be verydurable. ] The capital
must be formed in this way.
[Footnote: The text of this passage is reproduced
in facsimile onPl.
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