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Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:76BT4of4 GHM

Order: 19

Horizontal side: 76 Vertical side: 76

Elements: 1√2, 2, 2√2, 4, 3√2, 4√2, 7√2, 9√2, 11√2, 16, 18, 13√2, 22, 18√2, 27, 38, 27√2, 49, 38√2.

Code: 495 0 27 384 38 38 383 76 38 114 49 27 43 60 34 32 63 35 161 76 38 46 59 31 132 76 22 70 56 34 24 58 32 23 60 32 14 59 31 277 0 27 270 27 27 184 45 9 183 63 9 223 76 0 94 54 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)

49
38√2
38
11√2
4
3√2
16
4√2
13√2
7√2
2√2
2
1√2
27
27√2
18√2
18
22
9√2