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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:150BO GHM

Order: 19

Horizontal side: 150 Vertical side: 150

Elements: 4, 4√2, 8, 12, 14, 16, 14√2, 21, 28, 20√2, 21√2, 35, 40, 47, 61, 75, 61√2, 89, 75√2.

Code: 895 0 61 754 75 75 753 150 75 144 89 61 143 103 61 355 103 40 471 150 75 617 0 61 610 61 61 214 82 40 213 103 40 401 122 40 202 142 20 161 138 40 125 138 28 47 138 28 46 138 24 87 142 28 283 150 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)

89
75√2
75
14√2
14
35
47
61
61√2
21√2
21
40
20√2
16
12
4
4√2
8
28