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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:120AN GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 1√2, 2, 2√2, 4, 6, 7√2, 8√2, 14, 16, 14√2, 16√2, 28, 32, 32√2, 36√2, 56, 64, 56√2, 60√2.

Code: 645 0 56 604 60 60 366 84 84 146 70 70 285 84 56 76 63 63 145 70 56 10 63 63 20 62 62 21 64 62 65 64 56 41 64 60 565 0 0 564 56 0 80 112 56 160 104 48 161 120 48 320 88 32 321 120 32

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)

64
60√2
36√2
14√2
28
7√2
14
1√2
2√2
2
6
4
56
56√2
8√2
16√2
16
32√2
32