Plaster model to illustrate the torsion of a prism
1876
Plaster model to illustrate the torsion of a prism
1876
Plaster model to illustrate the flexure of a cylinder
1876
Plaster model of vibrating string
1876
Mathematical model
1876
Plaster model of a spherical lens
1876
Plaster model of a surface generated by a semi-circle, 1876.
1876
Plaster model of a spherical lens
1876
Plaster model of a spherical lens
1876
Plaster model of a spherical lens
1876
Model of an ovoid
1876
Plaster model of a spherical lens in 4 parts
1876