Dartskipper, you will be amazed and delighted to know that I have managed to acquire Joshua Slocum's timepiece which he used for Navigation. Not the only thing that the world has benefited from with regard to the Slocum family.
http://joshuaslocum.com/The-One-Doller-Clock
Don't thank me, I can afford it.
Also, Tmac, take a look at the Glider bit. I am sure you have devised similar things (Saves a LOT of money), but as Tom Lehrer said "Plagiarise, but be sure to call it research.