Wikipedia
Siel
Societa Industrie Elettroniche (SIEL) was an Italian company that made electronic organs and synthesizers in the 1980s.
Usage examples of "siel".
After having thus travelled some days, as it were in the dark, we arrived at Friedrichen Siel, near Carolinen Siel, in which neighborhood, on the border of the North Sea, lie Friedrichgroden, New Augustengroden, and New Friedrichgroden.