VENTILATOR, a well known machine, by which the noxious air of any confined place, as an hospital, goal, ship, chamber, &c. may be changed for fresh air.
VENTILATOR
article · 152 chars · lineage ↗ · page image at NLS ↗
article · 152 chars · lineage ↗ · page image at NLS ↗
VENTILATOR, a well known machine, by which the noxious air of any confined place, as an hospital, goal, ship, chamber, &c. may be changed for fresh air.