Code 239/Ze Cone with four detachable section parts. Shapes of section planes are: circle, ellipse, hyperbola and parabola in different, transparent colours. All parts are centered. Height: 300 mm
Code: 240/Sb 9 piece set of geometrical bodies, colored transparent. All geometrical bodies as shown in set 240/Sa: Prisms red, pyramids green, cylinder, cone and sphere blue.
Code: 250 Model for the projection of a body: The body to be projected rests on a stand in a three-dimensional corner where the vertical walls display front view and side view of the body. The walls are collapsible onto the horizontal projection plane describing the top view.
Set of models to determinate the true size of plane sections: Cone, cylinder, 4-sided pyramid and 5-sided irregular prism, with oblique sections Heights: 210 mm; Base with hinge and 8 transparent laminae (screen printed) showing the projection lines