Shadow square
Type: |
Shadow square |
Style: |
Tangent/Cotangent |
Geometry: |
Box |
Unit of measurement: |
Fingers |
(Numbering) starts at: |
0 |
(Numbering) ends at: |
12 |
Numbered: |
Not numbered |
Repeats: |
4 times |
Divided every: |
2 (Fingers) |
then every: |
1 (Fingers) |
Notes: |
This shadow square is incomplete and unusual in that
it is in the upper two quadrants of the back of the
instrument. Further, the numbers normally engraved on a
shadow square are scratched into the lower quadrants,
where the shadow square is typically found |
Scale located on:
Tympan, Womb or Back .
Location(s) detail:
Upper half: |
The upper two quadrants of the back of the instrument
(Upper half) |