South Pointing Chariots
The ancient Chinese south-pointing chariot was a cart that used a differential gearing so that the chair on top always pointed south.
South Pointing Chariot
The page that started my several-minute-long love affair with SPCs.
South Pointing Things
The be-all, end-all site on SPCs.
South Pointing Penguin
A small model (ride, penguin, ride!) with a clean design and clear pictures.
DR Gears SPC
Short one-pager.
The Fifth R
A detailed Lego SPC.
SPC: Audio Episode
Short radio "article" (3 minutes) about the SPC.
Interview with Kit Williams
A pompous artist brags about the one he built.
South Pointing Cart
A human-ridable version at some museum somewhere.
Mechanical Compass Notes
There's another Lego one in this page.
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