HUMAN EMOTION RECORDED BY PHOTOGRAPHY 



Photo$> uph by U . S. Signal Co 



SAFELY THROUGH ! 



1 hosgene missed him, but " laughing 

 gas" found a willing victim. Relief is 

 expressed in this "ivory" smile — relief in 

 having escaped the enemy's poison and in 

 taking off the contraption of science which 

 saved his life but cramped his style. 



IX 



