APPARATUS FOR THE VAPOUR OF AETHER. 
327 
surgical instrument maker, when that gentleman was in Cork, in 
March. He expressed his satisfaction at its completeness and fit- 
ness, and mentioned that Mr. Weiss had failed in one ordered at 
their establishment. 
perforated Box at bottom, marked 6; 7, Perforated Cover to shut on the Sponge ; 8, Blow-off 
Valve, which opens and shuts with each expiration and inspiration. 
Cork, May 12th, 1847. 
