Hyperboloid and Asymptotic Cone, string surface model, 1872.

Deformation of a cylinder, string surface model, 1872.

Deformation of a cylinder, string surface model, 1872.

Magnetic variations at sea, 1628.

Female anatomical figures, European, 1901-1925.

Model of a Half-Twist Surface by Alexander Crum Brown, c 1900.

Model of adenovirus, England, c.1976.

Pauling and Corey with their alpha helix model, c 1950s.

Plaster model, in relief of a portion of the moon's surface.

Plaster model of Fresnel Wave Surface in three parts, by Delagrave, 1876.

Steiner Surface model, c 1875.

Hyperboloid of one sheet, string surface model, 1872.