Chair: Burgess, Alexander George
Papers:
Finlayson, William: "The "O" circle of the co-axial triad through the vertices of a triangle, and the "O" locus for a cyclic quadrangle", [Title]
Horsburgh, E M: "A simple linkage for describing equal areas"
Horsburgh, E M: "Model of a well-known deformable triangular linkage", [Title]
Horsburgh, E M: "Graphical harmonic analysis", [Title]