AIR-PUMP

n. A?r’pu’mp. Fr., lmeumatique. machine (ou pompe) pneumatique. Ger., Luftpumpe. An apparatus for more or le completely exhausting a closed space of its conold name for oxygen. [B, 86.|—Vitriolic acid a., Vitriolie a. Priest ley’s term for sulphur dioxide. [B, 3, 86.] For other