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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:140BQ1of2 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 52 131 65 52 77 65 52 76 65 45 167 72 52 65 65 39 34 68 36 10 71 39 20 70 38 21 72 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
13
7
7√2
16
6
3√2
1√2
2√2
2
36√2
36