40.5 MB (2.6 MB compressed)
3786 x 3739 pixels
32.0 x 31.8 cm ⏐ 12.6 x 12.5 in (300dpi)
CC STUDIO / SCIENCE PHOTO LIBRARY CC STUDIO / SCIENCE PHOTO LIBRARY
Anaesthesia face mask from the early 20th century. The discovery of anaesthesia, or the loss of sensation, allowed surgeons to take longer over operations, as patients were no longer in pain.
Model release not required. Property release not required.