Sklar Aeroizer Model 3020 Type A and assorted parts. A motor‑driven nebulizer designed for use in aerosol medication therapy or ether anesthesia.
Description in Illustrated Catalogue of Standard Surgical Instruments, 4th edition: For “positive pressure and suction, hot air douche. Biers' hyperemia, aero-massage and anaesthetizing; this apparatus heats the ether vapor.”