[time-nuts] A different timenuts interest
mikes at flatsurface.com
Wed Jul 21 20:53:18 EDT 2010
At 08:13 PM 7/21/2010, Morris Odell wrote...
>Has anyone here had any experience with such a system of have any
>suggestions regarding the sustaining system? This is an interesting
Scientific American, back in June 1958, covered many details of
Foucault pendulums, from Charron pivots to drive systems. The article
was later reprinted in "The Amateur Scientist" book. It describes a
magnetic drive which applies force near the pivot and another which
sits underneath the pendulum.
There's also a mechanical drive, as described near the bottom of this
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