Found this at my farm. It has small wheels at the top, one of the pieces is broken off where the wheel would be.
[img]http://i192.photobucket.com/albums/z303/stephenspann27/20130331_163801_zpsdff415db.jpg[/img]
I’m sure you must know by now…it is the base of a treadle sewing machine. The wheels, of course are on the bottom.;)