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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:148DA GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 7, 6√2, 7√2, 9√2, 14, 18, 21, 15√2, 18√2, 21√2, 36, 38, 29√2, 42, 56, 74, 56√2, 92, 74√2.

Code: 925 0 56 744 74 74 743 148 74 184 92 56 183 110 56 92 119 65 381 148 74 156 104 50 292 148 36 567 0 56 560 56 56 421 98 56 212 119 35 64 104 50 363 148 0 213 119 14 141 112 14 72 119 7 71 119 14

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)

92
74√2
74
18√2
18
9√2
38
15√2
29√2
56
56√2
42
21√2
6√2
36
21
14
7√2
7