Description

At the Radioactivity Center at MIT, the site of Robley D. Evans' research on the presence of radiation on exhaled air, a woman (seated) wears a mask over her face attached to a tube. Next to her, another person adjusts a cylindrical tank on a small table. Original caption: "Measuring the components in exhaled air, in research on radiation effects in the Radioactivity Center, M.I.T." Original credit line: Gordon N. Converse for Christian Science Monitor.