Jonathan Swift: Close Encounters of the Floating City

Laputa,+the+flying+island & the concept of magnetic levitation written about in the early 1700s.

"Laputa is a fictional flying island or rock, about 4.5 miles in diameter, with an adamantine base, which its inhabitants can maneuver in any direction using magnetic levitation."
http://www.princeton.edu/~achaney/tmve/wiki100k/docs/Laputa.html

Gulliver+discovers+Laputa,+the+flying+island

http://en.wikipedia.org/wiki/Gulliver%27s_Travels#Part_III:_A_Voyage_to_Laputa.2C_Balnibarbi.2C_Luggnagg.2C_Glubbdubdrib.2C_and_Japan
1726 http://en.wikipedia.org/wiki/Gulliver%27s_Travels#Faulkner.27s_1735_edition

http://www.starwars.com/databank/cloud-city, http://starwars.wikia.com/wiki/Cloud_City

http://boingboing.net/2012/03/06/ralph-mcquarrie-star-wars-con.html

http://fromdirectorstevenspielberg.tumblr.com/post/87219201735/boomerstarkiller67-close-encounters-of-the

http://www.collectivemodels.com/gallery/close-encounters-of-the-3rd-kind-mothership

http://silverscreensaucers.blogspot.com/2013/12/close-encounters-of-mythic-kind.html

Juggler+of+Universes+from+Un+Autre+Monde,
http://en.wikipedia.org/wiki/Jean_Ignace_Isidore_G%C3%A9rard_Grandville#Legacy

http://en.wikipedia.org/wiki/Innuendo_(album) ,
http://www.progarchives.com/artist.asp?id=1755