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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:138AZ GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 3, 4√2, 8, 6√2, 8√2, 12, 10√2, 11√2, 19, 14√2, 22, 22√2, 44, 50, 44√2, 47√2, 50√2, 88, 69√2.

Code: 885 0 50 694 69 69 476 91 91 223 91 69 112 102 80 140 102 80 191 88 69 37 88 69 82 96 58 81 96 66 42 100 62 104 106 56 220 116 66 123 100 50 62 106 56 505 0 0 504 50 0 440 94 44 441 138 44

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

88
69√2
47√2
22
11√2
14√2
19
3
8√2
8
4√2
10√2
22√2
12
6√2
50
50√2
44√2
44