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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:150BD GHM

Order: 19

Horizontal side: 150 Vertical side: 150

Elements: 4, 4√2, 7, 8, 7√2, 12, 14, 16, 14√2, 28, 20√2, 40, 47, 49, 61, 75, 61√2, 89, 75√2.

Code: 895 0 61 754 75 75 753 150 75 144 89 61 143 103 61 72 110 68 471 150 75 73 110 61 405 110 28 617 0 61 610 61 61 491 110 61 165 110 12 204 130 8 283 150 0 121 122 12 47 122 12 40 126 12 87 122 8

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)

89
75√2
75
14√2
14
7√2
47
7
40
61
61√2
49
16
20√2
28
12
4
4√2
8