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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AH GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 1, 1√2, 2, 2√2, 3√2, 7, 10, 10√2, 17√2, 34, 34√2, 54, 68, 71, 88, 105, 122, 88√2, 105√2.

Code: 1225 0 88 1054 105 105 1053 210 105 174 122 88 73 139 98 32 142 102 711 210 105 26 140 100 685 142 34 16 139 99 25 140 98 15 139 98 100 132 98 101 142 98 887 0 88 880 88 88 541 142 88 344 176 0 343 210 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)

122
105√2
105
17√2
7
3√2
71
2√2
68
1√2
2
1
10√2
10
88
88√2
54
34√2
34