![Facebook](/pic/socialicons/facebook-3-256_3B5998.png)
![Pinterest](/pic/socialicons/pinterest-3-256_C9232E.png)
![Instagram](/pic/socialicons/instagram-6-256_DE3176.png)
![YouTube](/pic/socialicons/youtube-square-logo.png)
Students from the Speech Department gather around a machine that possibly measures respiration or other body functions, possibly a kymograph in a classroom in Wayne University's Old Main, Detroit, Michigan.
To the right, a woman has a white tube in her mouth, which is connected to a respirometer on a table nearby. To the left, a man holds the microphone of a Dictaphone machine in front of him. In the background: posters of the human brain and nasal/tracheal area