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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:158AC GHM

Order: 19

Horizontal side: 158 Vertical side: 158

Elements: 6, 6√2, 7√2, 12, 18, 24, 28, 37, 28√2, 42, 30√2, 51, 56, 42√2, 51√2, 74, 56√2, 58√2, 65√2.

Code: 747 0 158 560 74 158 561 130 158 282 158 130 281 158 158 656 93 65 183 18 84 247 18 102 306 12 72 512 93 51 511 93 102 377 93 102 422 42 42 121 12 84 62 18 78 61 18 84 72 100 58 580 100 58 423 42 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)

74
56√2
56
28√2
28
65√2
18
24
30√2
51√2
51
37
42√2
12
6√2
6
7√2
58√2
42