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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:148CN GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 5, 4√2, 5√2, 10, 12, 15, 15√2, 17√2, 19√2, 30, 23√2, 34, 40, 34√2, 57, 74, 57√2, 91, 74√2.

Code: 915 0 57 744 74 74 743 148 74 174 91 57 56 103 69 105 108 64 401 148 74 123 103 57 55 103 64 157 103 64 156 103 49 305 118 34 577 0 57 570 57 57 234 80 34 46 99 53 190 99 53 344 114 0 343 148 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)

91
74√2
74
17√2
5√2
10
40
12
5
15
15√2
30
57
57√2
23√2
4√2
19√2
34√2
34