This photograph shows a man sitting in a canoe and strapped to a device measuring his breathing and exertion. To his left is Peter Karpovich, who is conducting the experiment. This photograph is one of many that document Peter Karpovich’s extensive research in the field of physiology. For more information on Peter V. Karpovich, see: https://springfield.as.atlas-sys.com/agents/people/571. Minor damage along lower edge and tear in top left corner.
