Plaster model to illustrate the torsion of a rectangular prism. Plaster model to illustrate the torsion of a rectangular prism Mathematics 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 Mathematics 1876
Catalan collection of semi-regular polyhedra: icotetrahedron, in plaster Icositetrahedron Mathematics 1876
Catalan collection of semi-regular polyhedra:dual of a cuboctahedron(originally rhomboidal dodecahedron), in plaster Dual of Cuboctahedron Mathematics 1876
Catalan collection of semi-regular polyhedra: hexecontahedron, in plaster Hexecontahedron Mathematics 1876
Catalan collection of semi-regular polyhedra: dual of a snub cube (originally icotetrahedron), in plaster Dual of a Snub Cube Mathematics 1876
Catalan collection of semi-regular polyhedra: truncated cuboctahedron (originally icohexahedron), in plaster Truncated Cuboctahedron Mathematics 1876
Plaster model of a spherical lens in 4 parts Plaster model of a spherical lens in 4 parts Mathematics 1876
Catalan collection of semi-regular polyhedra: dual of a truncated octahedron (originally icotetrahedron), in plaster Dual of a Truncated Octahedron Mathematics 1876
Catalan collection of semi-regular polyhedra: (originally icohexahedron), in plaster Icohexahedron Mathematics 1876
