"Coffey Stills" . "distillation method" . "Coffey Still" . . . "patent\\\" still" . "column still" . "column" . "Jean\u2010\u00C9douard Adam's 1801 design" . . "continuous stills" . "columns" . "rectifying columns" . "column stills" . . "patent still" . "\\\"patent still\\\"" . . "Column still" . "Coffey stills" . "Column still" . "Coffey still" .