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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:70AE GHM

Order: 19

Horizontal side: 70 Vertical side: 70

Elements: 1, 1√2, 2, 2√2, 3√2, 7, 8√2, 14, 16, 18, 14√2, 15√2, 16√2, 24, 28, 32, 23√2, 28√2, 35√2.

Code: 352 35 35 284 28 42 283 56 42 142 70 56 141 70 70 323 70 24 71 35 42 17 35 42 16 35 41 27 36 42 26 36 40 187 38 42 32 38 38 156 23 23 165 38 8 164 54 8 243 70 0 230 23 23 84 46 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)

35√2
28√2
28
14√2
14
32
7
1
1√2
2
2√2
18
3√2
15√2
16
16√2
24
23√2
8√2