GUSTOIMAGES / SCIENCE PHOTO LIBRARY GUSTOIMAGES / SCIENCE PHOTO LIBRARY
Assorted helmets, coloured X-ray. The helmets are a Corinthian helmet (upper left), a British police helmet (upper right), an American football helmet (lower right), and a chin-strap crash helmet. The Corinthian helmet style dates from the time of Ancient Greece, the other three are modern designs.
Model release not required. Property release not required.