Flat rectangular shaped board with three straight edges and one elliptical edge.The face of the board is pierced by an off centre hole and two rows of…

Flat rectangular shaped board with three straight edges and one elliptical edge.The face of the board is pierced by an off centre hole and two rows of…

View Document

Flat rectangular shaped board with three straight edges and one elliptical edge.The face of the board is pierced by an off centre hole and two rows of slots running length wise for a quarter of the boards length.

Place