Decorations for Pavements &c.            Plate XCIV. 
 
Geometrical Squares quadrupled             Geometric Squares in a Side view

 
Geometric Squares in an angular view        Geometric Squares and Parallelograms

 
Regular Octagons and Geometric Squares         Irregular Octagons and Geometric
Squares 
 
Batty Langlet Invent and Delin. 1739.          Tho. Langley Sculp.