Complex sentence: Ireland was the initial testing ground for the Coffey still, with Coffey showcasing them in his own distillery and offering them to other Irish distillers, Although, there were seven in operation in Ireland by 1833, their use did not become widespread amongst the larger distilleries.
Split into simpler sentences: Ireland was the initial testing ground for the Coffey still, with Coffey showcasing them in his own distillery and offering them to other Irish distillers. Although there were seven in operation in Ireland by 1833, their use did not become widespread amongst the larger distilleries.