This one is cool, but it's not for everyone. Some machines are more interesting than others. A few I feel like I have seen in real life, others are just downright disturbing!
The story was first published in The Eye of the Lens (1972).
The Hall of Machines
9 September 1977
WHA Madison, Wisconsin, Michael Hanson (host), Langdon Jones (writer).
The Eye of the Lens (1972).