Corrected fingerings for recorder

I have worked on finding more definitive fingerings for the three
adjacent intervals 7/4, 16/9, and 9/5. I would like to offer these
fingerings in place of the ones previously listed:

7/4:

x (thumb)
-
x
o
x
x
o
xx
oo

16/9:

x
-
x
o
x
o
o
oo
oo

9/5:

x
-
x
o
o
x
x
oo
oo

jls