German Empire Kingdom Prussia Berlin Berlin: piano factory Carl Bechstein, worker at the drill in the factory building, at the left a a finished part - 1900 - Photographer: Georg August Busse - Vintage property of ullstein bild

(Eingeschränkte Rechte für bestimmte redaktionelle Kunden in Deutschland. Limited rights for specific editorial clients in Germany.) German Empire Kingdom Prussia Berlin Berlin: piano factory Carl Bechstein, worker at the drill in the factory building, at the left a a finished part - 1900 - Photographer: Georg August Busse - Vintage property of ullstein bild (Photo by Georg August Busse/ullstein bild via Getty Images)