Sacred Texts Age of Reason Index

VII. On the Proportions and on the Movements of the Human Figure Index

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Proportions of the leg (328-331).The greatest thickness of the calf of the leg is at a third of its
height *a b*, and is a twentieth part thicker than the greatest
thickness of the foot.

*a c* is half of the head, and equal to *d b* and to the insertion
of the five toes *e f*. *d k* diminishes one sixth in the leg *g h*.
*g h* is 1/3 of the head; *m n* increases one sixth from *a e* and
is 7/12 of the head, *o p* is 1/10 less than *d k* and is 6/17 of
the head. *a* is at half the distance between *b q*, and is 1/4 of
the man. *r* is half way between *s* and *b* 144
. The concavity of the knee outside *r* is higher
than that inside *a*. The half of the whole height of the leg from
the foot *r*, is half way between the prominence *s* and the ground
*b*. *v* is half way between *t* and *b*. The thickness of the thigh
seen in front is equal to the greatest width of the face, that is
2/3 of the length from the chin to the top of the head; *z r* is 5/6
of 7 to *v*; *m n* is equal to 7 *v* and is 1/4 of *r b*, *x y* goes
3 times into *r b*, and into *r s*.

146
*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*;
147
*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*
148
.

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.

149
*e f* is four times in the distance
between the genitals and the sole of the foot; 150
3 7 is six
times from 3 to 2 and is equal to *g h* and *i k*.

177:144 11: *b* is
here and later on measured on the right side of the foot as seen by
the spectator.

177:145 22-35: The sketch illustrating these lines is on Pl. XIII, No. 2.

177:146 22: a b *entra in* c f 6 *e* 6 *in* c n. Accurate
measurement however obliges us to read 7 for 6.

177:147 : 25. *y* is not to be found on the diagram and *x* occurs
twice; this makes the passage very obscure.

177:148 : 22-27. Compare with this lines 18-24 of No. 331, and the sketch of a leg in profile Pl. XV.

178:149 34: *e f* 4 *dal cazo*. By reading *i* for *e* the sense
of this passage is made clear.

178:150 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.

178:151 : 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.