A warning to all would-be watchmakers out there looking to avoid a braining ; PDF format available here: http://watchmaking.weebly.com/uploads/1/1/7/9/1179986/my_watch_-_twain_-_justified_text.pdf
Twain is one of my favorite authors, and this particular short story still makes me laugh out loud. I've posted it once before on another forum years ago. Thanks for popping it up here - another good laugh was had.
There's the old saw about the two most dangerous things for your watch are contact with water and contact with the watchmaker.