General Report on Tunny
25G Page 174
(e) ΔΧ5 made certain.
Run 
is yet another 16-letter count, followed by runs 
for ΔΧ5 yielding a nameless wheel having 12 dots (instead of 11), the weakest character being 19 decibans up, so that in view of other evidence, reversal seems inevitable, and on this assumption ΔΧ5C is 47 decibans up and therefore "certain". (23D(g)). Characters 13, 18 cannot be interchanged (of 25D(m)).
(e) Unsuccessful attempt to get ΔΧ3.
Run 
evidently made on reversed wheels.
(g) Wheels reversed
After reversing the wheels a letter count is made to select runs for improving ΔΧ2 and ΔΧ1, viz 
- 
.
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