Cyrill Demian

Cyrill Demian (* 1772 or 1774 in Silwasch in Transylvania, † 1847 ) was a piano and organ builder in Vienna, Mariahilferstrasse No. 43 In 1805 he applied for a privilege in Vienna and received an unfettered power in 1810 as a piano maker. He was christened on May 23, 1829, together with his sons, Carl (* July 6, 1807 Vienna) and Guido (* November 24, 1811 Vienna) a privilege (patent) for the invention of the accordion awarded. One of these instruments was presented late 1820s by the Swedish Princess Brahe at the music instrument maker Johannes Dillner in Sweden and is now in private ownership.

" 37 Steel harmonica. The organ and Cyrill Demian Claviermacher and his sons Carl and Guido, in Vienna erh d 23 May 1828 3jär. Priv. referred to the present invention a new instrument, accordion, which has the form of a small box, in which springs are mounted on a steel patten, including a bellows, namely in such a way that it can be easily inserted. It can be on the same airs, marches ec. be played, and mehrtöligen chords after the establishment of the instrument " - even by non connoisseurs of music, a little practice, and the sweetest 3 -, 4 -, 5.