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Ace of Diamonds ...
Geometrical Figures
Any study of the theory & practice of the Art of Fortification requires an appreciation of geometrical fugures & propositions. The figure represented are ...

A. The Point. B. The Line. C. The Curve.
D. The Angle [lit. Oblique Line]. E. Parallel Lines.
F. Perpendicular Line. G. Right Angle. H. Acute Angle.
I. Obtuse Angle. J. & K. Not part of 18thC alphabet.
L. Equilateral Triangle. M. Isoscelese Triangle.
N. Scalene Triangle. O. Square. P. Parallelogram.
Q. Rhombus [lit. Long Square]. R. Rhomboid.
S. Trapezium. T. Trapezoid.


The Suit of Spades ...[Available 4/98]
The Suit of Clubs .... [Available 8/98]
The Suit of Hearts ....[Available 12/98]