III. Chimneys should be built in each work room, and turf should be used as fuel to create a "strong, penetrating, and pungent" smoke which he believed would be a good "antidote to contagion".
III. Chimneys should be built in each work room and turf should be used as fuel to create a "strong, penetrating, and pungent" smoke. Percival believed this would be a good "antidote to contagion".