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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:102AH3of4 GHM

Order: 19

Horizontal side: 102 Vertical side: 102

Elements: 4√2, 6, 8, 6√2, 8√2, 12, 16, 12√2, 18, 16√2, 18√2, 28, 21√2, 28√2, 42, 39√2, 56, 42√2, 60.

Code: 607 0 102 420 60 102 421 102 102 186 0 42 212 39 39 561 74 60 282 102 32 281 102 60 122 12 30 390 39 39 166 86 16 123 12 18 62 18 24 63 18 18 187 0 18 86 78 8 165 86 0 46 74 4 85 78 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)

60
42√2
42
18√2
21√2
56
28√2
28
12√2
39√2
16√2
12
6√2
6
18
8√2
16
4√2
8