This is a rare vintage Maelzel metronome, a French-made mechanical device for precise timing in music. It is made of wood and metal, with a beautiful brown finish and has features that are both unique and useful. The metronome is a great complement to the musical instruments in your collection, and it is sure to impress your audiences with its timeless charm and precision. The Maelzel metronome is an essential accessory for any serious musician, and it is a great addition to your personal collection.