's signature varies so greatly within a brief period.
In the absence of the explanation provided by illness, intentional
change in style or other abnormal circumstances, such a difference as is
shown in this example will justify a belief that the suspected signature
is by another hand.

---------+-------------------------------++-------------------------------
| Height in lines. || Angle of slope.
+-------+-------+-------+-------++-------+-------+-------+-------
| _B._ | _l._ | _k._ | _b._ || _B._ | _l._ | _k._ | _b._
---------+-------+-------+-------+-------++-------+-------+-------+-------
Forgery | 7 | 7 | 6 | 7-1/4 || 15 | 20 | 21 | 21
---------+-------+-------+-------+-------++-------+-------+-------+-------
Example 1| 7-1/4 | 6-1/2 | 5-1/2 | 7-1/2 || 16 | 22 | 21 | 20
| | | | || | | |
" 2| 7-1/4 | 6-1/4 | 6 | 7-1/4 || 17 | 21 | 20 | 20
| | | | || | | |
" 3| 7-1/4 | 6 | 5-3/4 | 7-3/4 || 16 | 21 | 20 | 21
| | | | || | | |
" 4| 7 | 6-1/4 | 5-3/4 | 7-1/2 || 16 | 21 | 20 | 21
| | | | || | | |
" 5| 7 | 6-3/4 | 5-3/4 | 7-1/2 || 17 | 22 | 21 | 20
| | | | || | | |
" 6| 7-1/2 | 6-3/4 | 5 | 7-1/2 || 16 | 21 | 20 | 21
| | | | || | | |
" 7| 7-1/2 | 6 | 6 | 7-1/4 || 17 | 20 | 21 | 21
| | | | || | | |
" 8| 7-1/2 | 6-1/2 | 5-3/4 | 7-1/2 || 16 | 22 | 21 | 21
| | | | || | | |
" 9| 7-1/4 | 6-1/2 | 5-1/2 | 7 || 16 | 21 | 21 | 21
| | | | || | | |
" 10| 6-3/4 | 6-1/2 | 5-3/4 | 7-1/4 || 16 | 20 | 21 | 21
| | | | || | | |
" 11| 7-1/4 | 6-3/4 | 5-3/4 | 7-1/2 || 16 | 21 | 21 | 22
| | | | || | | |
" 12| 7 | 6-1/4 | 5-3/4 | 7-1/2 || 16 | 20 | 21 | 21
---------+-------+-------+-------+