The British pianos.co.uk online service has classified over 680 piano and upright piano manufacturers. The service enables an approximate estimation of a piano.
The grand-pianos.org/HistoryPiano.html website presents, in a nutshell, the 300 years of piano and upright piano evolution process.
The production cycle of a single piano usually takes several weeks. During that period, approximately 3.5 thousand elements have to be put together - Calisia
- The oldest existing piano build by Bartolomeo Cristofori in 1720 is kept by the Metropolitan Museum of Art in New York.
- At the moment, the oldest piano in Poland was built in 1774 and is kept in The Diocese Museum in Sandomierz.