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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:74AT GHM

Order: 19

Horizontal side: 74 Vertical side: 74

Elements: 1√2, 3, 3√2, 4√2, 6, 5√2, 9, 9√2, 13, 12√2, 18, 13√2, 22, 24, 25, 25√2, 37, 49, 37√2.

Code: 495 0 25 374 37 37 373 74 37 124 49 25 130 61 37 131 74 37 257 0 25 250 25 25 221 47 25 52 52 20 14 48 24 44 52 20 96 47 15 187 56 24 243 74 0 95 47 6 37 47 6 36 47 3 67 50 6

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)

49
37√2
37
12√2
13√2
13
25
25√2
22
5√2
1√2
4√2
9√2
18
24
9
3
3√2
6