Plaster model to illustrate the torsion of a rectangular prism. Plaster model to illustrate the torsion of a rectangular prism 1876
Catalan collection of semi-regular polyhedra: truncated cuboctahedron (originally icohexahedron), in plaster Truncated Cuboctahedron 1876
Catalan collection of semi-regular polyhedra:dual of a cuboctahedron(originally rhomboidal dodecahedron), in plaster Dual of Cuboctahedron 1876
Catalan collection of semi-regular polyhedra: dual of a snub cube (originally icotetrahedron), in plaster Dual of a Snub Cube 1876
Mathematical surface model, plaster, the open torus of M.Ossian Bonnet. by Charles Delagrave, 1876 Model of the open torus of M.Ossian Bonnet 1876
Catalan collection of semi-regular polyhedra: (originally icohexahedron), in plaster Icohexahedron 1876