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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:192AW GHM

Order: 19

Horizontal side: 192 Vertical side: 192

Elements: 2, 2√2, 4, 6, 8, 10, 10√2, 20, 15√2, 24, 30, 30√2, 54, 54√2, 78, 69√2, 108, 84√2, 138.

Code: 1387 0 192 1083 138 84 542 192 138 541 192 192 696 123 69 306 0 54 787 30 84 840 108 84 154 123 69 305 0 24 245 0 0 201 20 24 102 30 14 101 30 24 83 30 6 20 22 6 21 24 6 67 24 6 41 24 4

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)

138
108
54√2
54
69√2
30√2
78
84√2
15√2
30
24
20
10√2
10
8
2√2
2
6
4