model_size 37 x 28 x 40
model_weight 1250
model_catalognum 407/98
model_objectnum 97564-000
model_originalprize 121,50
model_since 24.04.1958.
model_externallinks Description in the catalogImage in the catalog
model_from :
nav_classification
Position of the normals of the surface in the neighbourhood of a hyperbolic point
The model shows the position of the normals of the surface in the neighbourhood of a hyperbolic point. The normals are drawn from the points of the indicatrix hyperbola and intersect the axes of the two corresponding principal circles of curvature.