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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:270AL GHM

Order: 19

Horizontal side: 270 Vertical side: 270

Elements: 2√2, 4, 4√2, 8, 12, 14, 14√2, 28, 21√2, 34, 42, 42√2, 76, 76√2, 110, 97√2, 152, 118√2, 194.

Code: 1947 0 270 1523 194 118 762 270 194 761 270 270 976 173 97 426 0 76 1107 42 118 1180 152 118 214 173 97 425 0 34 345 0 0 281 28 34 142 42 20 141 42 34 123 42 8 26 28 6 47 30 8 46 30 4 87 34 8

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)

194
152
76√2
76
97√2
42√2
110
118√2
21√2
42
34
28
14√2
14
12
2√2
4
4√2
8