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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:148AW GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 1, 2√2, 4, 4√2, 6√2, 12, 11√2, 20, 21, 22, 20√2, 22√2, 44, 52, 63, 74, 85, 63√2, 74√2.

Code: 855 0 63 744 74 74 743 148 74 114 85 63 123 96 62 62 102 68 521 148 74 20 102 68 40 100 66 41 104 66 445 104 22 637 0 63 630 63 63 211 84 63 17 84 63 207 84 62 206 84 42 224 126 0 223 148 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)

85
74√2
74
11√2
12
6√2
52
2√2
4√2
4
44
63
63√2
21
1
20
20√2
22√2
22