SIEL (SocietÓ Industrie Elettroniche s.p.a.) was an electronic organ manufacturer during the eighties and late seventies. The company was based in Acquaviva Picena, near San Benedetto del Tronto, Marche, Italy.
The SIEL brochures I snarfed in the music store where I bought my HB 725 and (later) Mono. That was sometime between 1981 and 1983.
The 100 DPI files were compressed with
Higher quality images (300 DPI,
--quality 95) available on
http://www.teaser.fr/~amajorel/siel/, last modified