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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:238AB GHM

Order: 19

Horizontal side: 238 Vertical side: 238

Elements: 13√2, 24, 32, 24√2, 48, 52, 58, 64, 52√2, 74, 76, 58√2, 61√2, 90, 64√2, 100, 74√2, 116, 90√2.

Code: 905 0 148 904 90 148 580 180 238 581 238 238 323 122 148 522 174 128 1161 238 180 742 74 74 614 61 87 483 122 100 523 174 76 642 238 64 136 61 87 1005 74 0 244 98 76 243 122 76 761 174 76 743 74 0 643 238 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)

90
90√2
58√2
58
32
52√2
116
74√2
61√2
48
52
64√2
13√2
100
24√2
24
76
74
64