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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:74AP GHM

Order: 19

Horizontal side: 74 Vertical side: 74

Elements: 2, 4, 4√2, 8, 10, 8√2, 12, 9√2, 11√2, 12√2, 18, 24, 18√2, 26, 24√2, 36, 26√2, 38, 48.

Code: 485 0 26 361 36 74 182 54 56 381 74 74 183 54 38 92 63 47 110 63 47 84 44 30 83 52 30 27 52 38 107 52 36 120 62 36 121 74 36 44 48 26 43 52 26 265 0 0 264 26 0 240 50 24 241 74 24

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)

48
36
18√2
38
18
9√2
11√2
8√2
8
2
10
12√2
12
4√2
4
26
26√2
24√2
24