SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 60 



Door opened a bit to cool off chamber a little. 



4.301 



4.35/ 



136 



80.6 



95 



119 



97 



The long tube probably increased the resistance to the breathing in the 

 case of " S. & F." " O. K." was slender and much younger than " J. me D." 

 The bricks were moved to and fro but no severe work was done. 



" 0. K." put on the same dress and worked fairly hard moving bricks all 

 the time. 



Tlie snow was mostly evaporated at the end of the time. 



The following- experiment kindly communicated to us was carried 

 out by Dr. Green at Howe Bridge Rescue Station in a gallery 15 ft. 

 long, 8 ft. wide, and 7 ft. high, heated by a stove, with walls and 



