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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:248AO GHM

Order: 19

Horizontal side: 248 Vertical side: 248

Elements: 4, 4√2, 8, 6√2, 12, 14, 12√2, 28, 32, 32√2, 46, 39√2, 78, 92, 78√2, 85√2, 92√2, 156, 124√2.

Code: 1565 0 92 1244 124 124 856 163 163 390 163 163 324 156 92 46 184 120 85 188 116 141 202 124 465 202 78 283 184 92 45 184 116 122 196 104 121 196 116 62 202 110 323 202 78 925 0 0 924 92 0 780 170 78 781 248 78

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)

156
124√2
85√2
39√2
32√2
4√2
8
14
46
28
4
12√2
12
6√2
32
92
92√2
78√2
78