Mysterious tool found at a garage sale. About 3 inches long. What is its purpose? Measuring _something_, I suspect; but what?(Yes, in this orientation it looks like a cartoon man with a big mustache, but I already know that.UPDATE 20 JULY 2011: This is a Garnett pallet jewel setter, a device patented by Lemuel Edward Garnett of Chanute, Kansas, to install jewel pallets in the pallet forks of watches. This is patent number 956956, granted on May 3, 1910. View of patent: [link] The pallet fork is a part of the watch; it's the part that goes tick-tock. The pallets, which are the bits on the ends of the fork that take the impact, are often made of small pieces of ruby called jewels (article on pallet forks: [link] ). The pallet jewels used to be held in place with rosin, and jewel-setting devices often had large flat areas of metal (on this device, the rounded ear-like things opposite the handle) to absorb the heat of an alcohol lamp flame and melt the rosin while a jewel was being placed. The notches in the rotatable square pieces on the spring-loaded jaws fit the ends of various pallet forks and the little levers push the jewels into the desired positions. An eBay seller was offering one of these stamped with "Garnett's pat. May 3, 10", and Google Patent Search found me another patent that gave the correct patent number. The reason it didn't give me the patent I was looking for directly was that the name was mis-spelled "Gaiinett" in the Patent Search index. It looks like the patent scans were "read" by software for the indexing, and the results have not been corrected by actual humans....This confirms that * VladislausDantes had correctly identified the tool category and purpose, back in March 17, 2010. It had seemed very likely, and it is now fully proven. The patent also provided details of the exact use of the device which neither of us had guessed. Another mystery solved.