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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:304BC GHM

Order: 19

Horizontal side: 304 Vertical side: 304

Elements: 3√2, 6, 6√2, 12, 12√2, 21√2, 42, 44, 44√2, 64, 66, 88, 64√2, 66√2, 108, 152, 108√2, 196, 152√2.

Code: 1965 0 108 1524 152 152 1523 304 152 444 196 108 443 240 108 642 304 88 641 304 152 1087 0 108 1080 108 108 664 174 42 663 240 42 883 304 0 421 216 42 212 237 21 124 228 30 123 240 30 64 234 24 63 240 24 34 237 21

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)

196
152√2
152
44√2
44
64√2
64
108
108√2
66√2
66
88
42
21√2
12√2
12
6√2
6
3√2