Sometime around 1960, Aaron's grandfather purchased an oscilloscope. He passed it down in his family in excellent condition. Lacking any other use for it, Aaron turned the oscilloscope into a clock. You can see build photos at the link.
Link -via Hack A Day
Comments (1)
Until this is done, any of my dolls at http://matryoshkastore.com/ can easily challenge it
--TwoDragons