Point of Beginning

Nice mystery for tunnel surveyors...

September 3, 2008

Posted By SCOTT ZELENAK on 9/2/2008 at 10:23 PM

Tooling around the WEB tonight, looking for a metal fabricator to build two Weisbach plumb rigs, when I came across this website.

I briefly whizzed through it and thought it was interesting.

It detals an experiment where two plumb bobs suspended 4250 feet below the surface were found to be FARTHER apart rather than CLOSER.

Interesting implications.

I'm going to have to read this one more carefully.

www.lhup.edu/~dsimanek/hollow/tamarack.htm

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