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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:140BQ2of2 GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 1√2, 2, 2√2, 3√2, 6, 7, 7√2, 13, 16, 18√2, 34, 36, 34√2, 36√2, 52, 70, 52√2, 88, 70√2.

Code: 885 0 52 704 70 70 703 140 70 184 88 52 340 106 70 341 140 70 527 0 52 520 52 52 161 68 52 72 75 45 71 75 52 137 75 52 63 75 39 10 69 39 34 72 36 27 68 38 20 70 38 364 104 0 363 140 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)

88
70√2
70
18√2
34√2
34
52
52√2
16
7√2
7
13
6
1√2
3√2
2
2√2
36√2
36