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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:76AM GHM

Order: 19

Horizontal side: 76 Vertical side: 76

Elements: 1√2, 8, 6√2, 7√2, 8√2, 10√2, 16, 18, 20, 15√2, 24, 28, 20√2, 21√2, 30, 24√2, 36, 28√2, 40.

Code: 405 0 36 244 24 52 243 48 52 287 48 76 286 48 48 161 40 52 82 48 44 81 48 52 185 48 30 76 41 37 10 41 37 365 0 0 214 21 15 60 42 36 156 21 15 307 36 30 100 66 30 200 56 20 201 76 20

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)

40
24√2
24
28
28√2
16
8√2
8
18
7√2
1√2
36
21√2
6√2
15√2
30
10√2
20√2
20