Models of rubric: Generation of conics and surfaces of second order Model 45 Circular cone with all types of conic sections Model 304 Folder with drawings to the projective theory of conic sections Model 362 Generation of a ellipse by Pascal's theorem Model 363 Projective generation of two conic sections Model 380 Ellipse handle bar: two constant points of a line Model 1170 Slide: Projective generation of the conic sections Model 1171 Slide: Generation of conic sections Model 1171 Slide: Generation of conic sections Model 1172 Slide: Projective production of the conic section Model 1173 Slide: Model to the production mechanism Model 1173 Slide: Model to the production mechanism Model 1190 Slide: Ellipse constructions Model 1225 Slide: Theorem of Dandelin Model 1261 Slide: Road-building Model 1397 Slide: Ellipse rod
Göttingen Collection of Mathematical Models and Instruments
Göttingen Collection of Mathematical Models and Instruments
Circular cone with all types of conic sections
Folder with drawings to the projective theory of conic sections
Generation of a ellipse by Pascal's theorem
Projective generation of two conic sections
Ellipse handle bar: two constant points of a line
Slide: Projective generation of the conic sections
Slide: Generation of conic sections
Slide: Projective production of the conic section
Slide: Model to the production mechanism
Slide: Ellipse constructions
Slide: Theorem of Dandelin
Slide: Road-building
Slide: Ellipse rod