The Notebooks of Leonardo Da Vinci — CompleteLeonardo, da Vinci
Science
The Notebooks of Leonardo Da Vinci — Complete
Leonardo, da Vinci
Leonardo, da Vinci, 1452-1519 -- Notebooks, sketchbooks, etc.
[Footnote 22: a b _entra in_ c f 6 _e_ 6 _in_ c n. Accurate
measurement however obliges us to read 7 for 6.] _a b_ goes six
times into _c f_ and six times into _c n_ and is equal to _g h_; _i
k l m_ goes 4 times into _d f_, and 4 times into _d n_ and is 3/7 of
the foot; _p q r s_ goes 3 times into _d f, and 3 times into _b n_;
[Footnote: 25. _y_ is not to be found on the diagram and _x_ occurs
twice; this makes the passage very obscure.] _x y_ is 1/8 of _x f_
and is equal to _n q_. 3 7 is 1/9 of _n f_; 4 5 is 1/10 of _n f_
[Footnote: 22-27. Compare with this lines 18-24 of No. 331, and the
sketch of a leg in profile Pl. XV.].
I want to know how much a man increases in height by standing on
tip-toe and how much _p g_ diminishes by stooping; and how much it
increases at _n q_ likewise in bending the foot.
[Footnote 34: _e f_ 4 _dal cazo_. By reading _i_ for _e_ the sense
of this passage is made clear.] _e f_ is four times in the distance
between the genitals and the sole of the foot; [Footnote 35: 2 is
not to be found in the sketch which renders the passage obscure. The
two last lines are plainly legible in the facsimile.] 3 7 is six
times from 3 to 2 and is equal to _g h_ and _i k_.
[Footnote: The drawing of a leg seen in front Pl. XIII, No. 1
belongs to the text from lines 3-21. The measurements in this
section should be compared with the text No. 331, lines 1-13, and
the sketch of a leg seen in front on Pl. XV.]
329.
The length of the foot from the end of the toes to the heel goes
twice into that from the heel to the knee, that is where the leg
bone [fibula] joins the thigh bone [femur].
330.
_a n b_ are equal; _c n d_ are equal; _n c_ makes two feet; _n d_
makes 2 feet.
[Footnote: See the lower sketch, Pl. XIV, No. 1.]
331.
_m n o_ are equal. The narrowest width of the leg seen in front goes
8 times from the sole of the foot to the joint of the knee, and is
the same width as the arm, seen in front at the wrist, and as the
longest measure of the ear, and as the three chief divisions into
which we divide the face; and this measurement goes 4 times from the
wrist joint of the hand to the point of the elbow. [14] The foot is
as long as the space from the knee between _a_ and _b_; and the
patella of the knee is as long as the leg between _r_ and _s_.
[18] The least thickness of the leg in profile goes 6 times from the
sole of the foot to the knee joint and is the same width as the
space between the outer corner of the eye and the opening of the
ear, and as the thickest part of the arm seen in profile and between
the inner corner of the eye and the insertion of the hair.
_a b c_ [_d_] are all relatively of equal length, _c d_ goes twice
from the sole of the foot to the centre of the knee and the same
from the knee to the hip.
[28]_a b c_ are equal; _a_ to _b_ is 2 feet--that is to say
measuring from the heel to the tip of the great toe.
Public-domain text, read in full here on John Shaqi.
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