Complex sentence: He started a distillery in Teaninich in 1817 and laid out the village of Alness at a time when illegal whiskey gave the best return on the barley crops of Ross-shire.
Split into simpler sentences: He started a distillery in Teaninich in 1817 and laid out the village of Alness. At a time when illegal whiskey gave the best return on the barley crops of Ross-shire.