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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:148CB GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 1, 9√2, 14, 10√2, 18, 14√2, 20, 21, 18√2, 19√2, 28, 21√2, 28√2, 46, 60, 74, 60√2, 88, 74√2.

Code: 885 0 60 744 74 74 743 148 74 144 88 60 143 102 60 182 120 56 461 148 74 607 0 60 600 60 60 214 81 39 213 102 39 183 120 38 282 148 28 201 101 39 102 111 29 11 102 39 94 111 29 196 101 19 283 148 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)

88
74√2
74
14√2
14
18√2
46
60
60√2
21√2
21
18
28√2
20
10√2
1
9√2
19√2
28