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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:107AA GHM

Order: 19

Horizontal side: 107 Vertical side: 107

Elements: 1√2, 2, 2√2, 3, 7√2, 8√2, 9√2, 14, 17, 14√2, 21, 24, 31, 24√2, 31√2, 38√2, 62, 45√2, 76.

Code: 767 0 107 623 76 45 312 107 76 311 107 107 386 69 38 146 0 31 245 14 21 244 38 21 450 62 45 74 69 38 145 0 17 22 16 19 31 17 21 217 17 21 23 16 17 12 17 18 96 8 9 175 0 0 84 8 9

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)

76
62
31√2
31
38√2
14√2
24
24√2
45√2
7√2
14
2√2
3
21
2
1√2
9√2
17
8√2