From Ed's Box Browning
PERPETUAL MOTION HOLDER
DIAGRAM AND WIRING
Leedsklanin's Peprpetual Motion Holder, and The Common Core.
These are great vintage photos of Leedskalnin and the Coral Castle. To truly appreciate and be amazed by these stone structures you really need to visit the Coral Castle in person.
Perpetual Motion Holder
Tips For The Rocket People
Dave Nelson's Commentary on Leedskalnin