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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:518AA GHM

Order: 19

Horizontal side: 518 Vertical side: 518

Elements: 7√2, 16√2, 80, 60√2, 80√2, 120, 130, 160, 162, 120√2, 176, 180, 130√2, 194, 208, 148√2, 155√2, 162√2, 194√2.

Code: 2087 0 518 1480 208 518 1554 363 363 1626 356 356 606 0 310 1207 60 370 1206 60 250 1605 180 210 1761 356 370 72 363 363 1625 356 194 1805 0 130 805 180 130 804 260 130 160 340 210 1940 324 194 1941 518 194 1305 0 0 1304 130 0

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)

208
148√2
155√2
162√2
60√2
120
120√2
160
176
7√2
162
180
80
80√2
16√2
194√2
194
130
130√2