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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:148CQ GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 4√2, 8, 6√2, 8√2, 12, 12√2, 17, 17√2, 18√2, 28, 22√2, 34, 40, 51, 57, 74, 57√2, 91, 74√2.

Code: 915 0 57 744 74 74 743 148 74 174 91 57 173 108 57 222 130 52 401 148 74 577 0 57 570 57 57 511 108 57 180 130 52 46 108 30 87 112 34 86 112 26 287 120 34 343 148 0 122 120 18 123 120 6 64 114 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)

91
74√2
74
17√2
17
22√2
40
57
57√2
51
18√2
4√2
8
8√2
28
34
12√2
12
6√2