Very nice antique metronome "MAELZEL" from 1846 - XIXth century - Mahogany and metal - Used to beat the chosen music tracks: largo, adagio, andanto, allegro, presto It was at the beginning of the 19th century that Bavarian inventor and engineer metronome JOHANN MAELZEL looked at the question of tempo - and his research was born the metronome The metronome is mahogany - He still has his key to put it back and his identification plate where it is engraved on each side of the plate "France - America - Belgium - Paris - Holland - England" He is 173 years old and in good condition of use and functioning Dimensions: Height 22.5 cm x base 11 cm x 11 cm Weight 470 g See all pictures Carefully sent by registered mail with tracking and insurance