FIG. 1. Infant respiration apparatus as used at the Directory for Wet-Nurses. 

 At the right are the respiration chamber, the tambour, and kymograph for recording the muscular 

 activity, also nurse counting pulse-rate. At the left is the absorbing system, with the carbon- 

 dioxide absorbers and spirometer on the upper shelf of the table, the water-absorbers and 

 blower on the lower shelf. The gas-meter for measuring oxygen may be seen in center. 



FIG. 2. Respiration apparatus as used for children at the New England Home for 



Little Wanderers. 



The respiration chamber, with rounded cover and thermometers, is near the center of the picture, 

 the absorber table at the left. On the upper shelf of the table may be seen the carbon- 

 dioxide absorbers and the spirometer; on the lower shelf are the blower and the water- 

 absorbers. Behind the table are the large oxygen cylinder and gas-meter; the tambour 

 and kymograph stand on a small table in the rear. 



