7ed5/3 is the equal division of the just major sixth into seven parts of 126.337 cents each, corresponding to 9.4984edo (very nearly 19ed4). It is very closely related to the negri temperament.

← 6ed5/3 7ed5/3 8ed5/3 →
Prime factorization 7 (prime)
Step size 126.337 ¢ 
Octave 9\7ed5/3 (1137.03 ¢)
Twelfth 15\7ed5/3 (1895.05 ¢)
(convergent)
Consistency limit 3
Distinct consistency limit 3
ed7\10 19ed4~ed5/3
1 120 126.316

126.337

2 240 252.632

252.674

3 360 378.947

379.01

4 480 503.263

505.348

5 600 631.579

631.685

6 720 757.895

758.022

7 840 884.2105

884.359