Mathematical Experiment 14
Wrap this grid around a cone.
Wrap this grid around a cone.
Wrap
this grid around a cone.
Construct these circles
and their stereographic
image
Construct
one-half of the tangent cone to a sphere.
Construct
three cylinders with any two touching at one point.
Construct
four discs with any two touching at one point.
Construct
two hyperboloids of one sheet touching each other along a straight line.
Construct
one-half of a right solid cylinder whose boundary consists of the helicoid,
part of the cylinder and two semi-disks.
