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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:38AB GHM

Order: 19

Horizontal side: 38 Vertical side: 38

Elements: 1√2, 2, 2√2, 3√2, 4√2, 6, 8, 6√2, 7√2, 10, 8√2, 12, 14, 10√2, 16, 12√2, 14√2, 20, 15√2.

Code: 152 15 23 124 12 26 123 24 26 147 24 38 146 24 24 64 18 20 63 24 20 42 28 20 70 15 23 34 21 17 26 22 18 203 28 0 102 38 10 16 21 17 25 22 16 86 0 8 167 8 16 103 38 0 85 0 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)

15√2
12√2
12
14
14√2
6√2
6
4√2
7√2
3√2
2√2
20
10√2
1√2
2
8√2
16
10
8