Models of rubric: Curves of third and fourth order Model 8 Hyperbolic paraboloid with linear geneatrix Model 47 The four types of space curves of 3. order Model 48 The four types of space curves of 3. order Model 49 The four types of space curves of 3. order Model 50 The four types of space curves of 3. order Model 51 Horopter curve (cubic ellipse) Model 51 Horopter curve (cubic ellipse) Model 52 Tangent surface of the cubic ellipse Model 52 Tangent surface of the cubic ellipse Model 53 The four types of space curves of 3. order on gypsum cylinders of 2. order. Model 54 The four types of space curves of 3. order on gypsum cylinders of 2. order. Model 55 The four types of space curves of 3. order on gypsum cylinders of 2. order. Model 56 The four types of space curves of 3. order on gypsum cylinders of 2. order. Model 58 Cubis ellipse Model 58 Cubis ellipse Model 59 Space curve of 4. order Model 76 Curve of 4. order as slice Model 304 Folder with drawings to the projective theory of conic sections Model 308 3 plaques about plane curves of 4. order with 2 colons Model 309 6 plaques about rational plane curves of 4. order Model 430 Tangent surface of the space curve of 4. order Model 1166 Slide: Main types of plane curves of 3.order Model 1167 Slide: Relation between plane courves of 3.order and of 3.class Model 1168 Slide: Relation between plane courves of 3.order and of 3.class Model 1193 Slide: Space curve of 3.order Model 1228 Slide: Penetration of two cylinders Model 1229 Slide: Penetration of two cylinders Model 1230 Slide: Penetration of sphere and cone Model 1231 Slide: Penetration of cone and cylinder Model 1234 Slide: The four cones through a space curve Model 1237 Slide: Penetration of cone and cylinder Model 1238 Slide: Space curve of 3.order Model 1242 Slide: Projection of a space curve Model 1243 Slide: Projection of a space curve of 3. order Model 1244 Slide: Space curve and plane curve of 3. order Model 1245 Slide: Space curve of 4.order Model 1246 Slide: Space curve of 4.order