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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:76AL GHM

Order: 19

Horizontal side: 76 Vertical side: 76

Elements: 1√2, 2√2, 6, 8, 6√2, 7√2, 8√2, 10√2, 16, 18, 20, 24, 28, 20√2, 30, 24√2, 36, 28√2, 38√2.

Code: 382 38 38 361 36 76 305 36 46 204 56 56 203 76 56 104 66 46 286 48 28 65 36 40 64 42 40 76 41 39 187 48 46 24 38 38 163 40 24 82 48 32 14 41 39 83 48 24 285 48 0 240 24 24 241 48 24

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)

38√2
36
30
20√2
20
10√2
28√2
6
6√2
7√2
18
2√2
16
8√2
1√2
8
28
24√2
24