Models of rubric: Minimal surfaces Model 195 Catenoid Model 196 Helical surface Model 197 Catenoid made of pliable brass plate Model 236 Minimal surface according to Henneberg Model 381 Minimal surface of 9. order (Enneper) with curvature lines Model 382 Minimal surface according to Tallquist Model 383 Minimal surface according to Catalan Model 414 Minimal surface with lemniscate as geodetic line Model 427 Drawings to the theory of the catenoid Model 442 Wire frames for minimal surfaces out of soap solution Model 1042 Slide: Catenoid, stable and labile Model 1043 Slide: Stability of the catenoid Model 1044 Slide: Main tangent curves on a minimal surface Model 1045 Slide: Topological to the main tangent grids on minimal surfaces Model 1046 Slide: Topological to the main tangent grids on minimal surfaces Model 1047 Slide: Neovius minimal surface Model 1048 Slide: Bending surface of the Neovius minimal surface