-F
-t
-f
{Volta/Michelagnolo Galilei (1620, p.9)}
b
1   c
x  d
x a
b
1. cdca
2 d
1 c  a
b
1. a   a
2  d
1  cc
b
0  de
1     c
b
xf
xe    a
xc     a
b
1.a     /a
3 d
xa
1c  a
b
x da c
x  c
x c  a
b
x a
x     a
x   c
b
xh
xe
xf
b
xh
x   g
x    h
b

b
xf a
x c
x e
b
xef
x     a
x      /a
b
xc     a
x c
x e    //a
b
xa     /a
x  d
x c    ///a
b
1. d    //a
2  a
1  c
b
1.  dc  /a
2 c
1 a    a
b
x  d
1. a   a
3  d
x a
b
1  d
x    a
x      ///a
b
A1
0.  dc
.
b
b
A2
.
0  dc
3c
xe
2f
b
1e  c
x c
xf
b

b
xc  a
x a
xe
b
1.a d e
2    c
x    a
x     e
b
1c    c
x f
xce
b
1.ef
2     a
1      a
b
x      /a
xa d
x  c
b
1.  a   a
2 d
1 c
b
1. a   a
2h
1f a
b
xe
x   c
x   a
b
1.    e
2f
1e
b
1.c     a
2e
1a     /a
b

b
1. d    //a
2a
1 c  a
b
x ac  a
2  a
x  c
x  d
x a
b
x c
x  d
1. a   a
3  d
x a
b
1  d
x    a
x      ///a
.
b
b
0.  dc
b
b

e