Reihe V

Six movable models of ruled surfaces of order two.

Number Title Date of Design Dimension (cm) Material
Reihe V, nr. 421 A movable one sheeted hyperboloid (with as a margin an ellips and a Hyperboloid). 1873 36 Metal
Reihe V, nr. 422 A movable one sheeted hyperboloid, half of it, for evert. 1873 19 Metal
Reihe V, nr. 424 Movable hyperbolic paraboloid 1873 31 Metal