AMERICAN INSTITUTE. 541 



be mistaken for the key-liole, a tube of about half an inch bore 

 passes down through the ice jacket into the bottom of the inteiior 

 to admit the outward fresh air to enter, pm-ify the inner by issu- 

 ing out of a like key opposite to the first, on the opposite side of 

 the box. This interior keeps sweet and cold. Fahrenheit's 

 thermometer in it indicates from 31 degrees (one below freezing) 

 to about 35 degrees (or three above freezing). A temperatiu-e at 

 "which preservation of animal and vegetable matter is complete. 

 The price of this family box is about twenty to thirty dollars, 

 which would be saved by any careful family in less than one 

 summer. 



The Chairman called up the subject of the day, but as miscel- 

 laneous matter had occupied the day, the Club ordered them to 

 be continued to next meeting, May 6th. 



The Club then adjourned to the 6th May, 1856. 



H. MEIGS. Secretary* 



