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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:148CM GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 2√2, 4, 3√2, 4√2, 6, 8, 12, 17√2, 31, 23√2, 34, 37, 40, 34√2, 57, 74, 57√2, 91, 74√2.

Code: 915 0 57 744 74 74 743 148 74 174 91 57 30 108 74 401 148 74 20 105 71 61 111 71 375 111 34 123 103 57 47 103 69 40 107 69 87 103 65 313 111 34 577 0 57 570 57 57 234 80 34 344 114 0 343 148 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)

91
74√2
74
17√2
3√2
40
2√2
6
37
12
4
4√2
8
31
57
57√2
23√2
34√2
34