Google “rolling ball clock” to see several examples from historical periods. ... Reminds me of the Ball Bearing clock kit my brother got for Christmas back in the 60’s.

A Clock and Ball Story. Entertainment for the modern man. By Gene Weingarten. February 24, 2007 at 7:00 p.m. EST ...

rolling ball clock 1 Articles . Mechanical Clock Relies On Marbles To Tick. May 28, 2014 by James Hobson 24 Comments . As fun as micro-controllers and RTCs are, sometimes it’s truly fascinating ...

Based on the innovative rolling ball clock design created by Harley Mayenschein back in the 1970s, this awesome 3D-printed variation is yours to make at home, courtesy of free online instructions.

Rolling Ball Clock, Whangarei Town Basin. Video / The Northern Advocate After 14 years of blood, sweat and a few tears, it was about time for Whangārei's rolling ball clock to be unveiled to the ...

It's been rolling on for almost 14 years, but on Tuesday the plan will finally become a reality. The Whangārei Rolling Ball Clock will finally be lifted into place at the Town Basin in the ...