I decided to take a day off from doing thumbnails and tried to design the "mysterious apparatus" which G.H. Wells' characters approached in chapter 14 - "Experiments in intercourse".
"The meaning and structure of this huge apparatus I cannot explain, because we neither of us learned what it was for or how it worked. One after another, big shaft of metal flung out and up from its centre,
their heads travelling in what seemes to me to be a parabolic path; each
dropped a sort of dangling arm as it rose towards the apex of its
flight and plunged down into a vertical cylinder forcing this down
And here some projects of big shafts of metal: