Woodman's Tachometer Speed Indicator Ornate 1876 Patent
This is a very nice clean, ornate tachometer, or speed indicator marked "WOODMAN'S PATENT SEPT. 12, 1876" around the center of the graduated dial face. Still works fine! Nice ornate cast features, no damage, it is in good+ condition, with very good gears and teeth, and about 60% of the original nickel plating intact! Measures 3.5" long overall, 1.25" dial face diameter.