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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:210AD GHM

Order: 19

Horizontal side: 210 Vertical side: 210

Elements: 1, 1√2, 2, 3, 4, 5√2, 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 23 139 103 35 139 102 711 210 105 50 137 103 14 138 102 13 139 102 41 142 102 685 142 34 100 132 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
2
3
71
5√2
1√2
1
4
68
10√2
10
88
88√2
54
34√2
34