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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:140AN GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 1√2, 14, 14√2, 22, 18√2, 28, 20√2, 30, 32, 40, 29√2, 42, 30√2, 31√2, 40√2, 60, 49√2, 80, 60√2.

Code: 807 0 140 496 31 91 602 140 80 601 140 140 310 31 91 406 100 40 302 30 30 301 30 60 327 30 60 180 62 60 140 44 42 141 58 42 425 58 0 221 80 42 206 80 20 405 100 0 16 29 29 290 29 29 281 58 28

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)

80
49√2
60√2
60
31√2
40√2
30√2
30
32
18√2
14√2
14
42
22
20√2
40
1√2
29√2
28