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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:138AB GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 4, 5, 4√2, 5√2, 8, 10, 12, 10√2, 12√2, 20, 24, 35, 40, 49, 59, 69, 79, 59√2, 69√2.

Code: 795 0 59 694 69 69 693 138 69 104 79 59 103 89 59 52 94 64 491 138 69 53 94 59 405 94 24 597 0 59 590 59 59 351 94 59 241 118 24 122 130 12 121 130 24 47 130 24 40 134 24 87 130 20 203 138 0

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)

79
69√2
69
10√2
10
5√2
49
5
40
59
59√2
35
24
12√2
12
4
4√2
8
20