Models of rubric: Others Model 346 Projective plane Model 347 Tetrahedron in the projective space Model 370 Affine adjustable systems of Nürnberger scissors Model 371 Spherical torus of circular brass wires Model 425 Folder for the illustration of the projective mapping of two lines Model 461 Two spheres Model 1174 Slide: Central-collin. of 3 circles Model 1422 Slide: Kinematic generation of circle involutes
Göttingen Collection of Mathematical Models and Instruments
Göttingen Collection of Mathematical Models and Instruments
Projective plane
Tetrahedron in the projective space
Affine adjustable systems of Nürnberger scissors
Spherical torus of circular brass wires
Folder for the illustration of the projective mapping of two lines
Two spheres
Slide: Central-collin. of 3 circles
Slide: Kinematic generation of circle involutes