Analysis of information sources in references of the Wikipedia article "No. 14 chair" in English language version.
Thonet turned the furniture company over to his five sons [...] and the name was changed to Gebrüder Thonet. In 1856, they opened a furniture factory in Koryčany, in a wooded region of Moravia, now in the Czech Republic but at the time part of the Habsburg Empire. The design and final assembly continued to be done in Vienna.
Between 1859 and 1930, Gebrüder Thonet sold an unprecedented 50 million units of Model No. 14, (café chair) more than any other chair in the world up to that time [...].
By 1930, some 50 million No.14s had been sold, and millions more have been snapped up since then.
By 1930, some 50 million No.14s had been sold, and millions more have been snapped up since then.
