[Diavolo performing his bicycle daredevil act before a large audience]

 

• Photograph shows a large crowd watching a man riding a bicycle upside down doing a loop and topsy turvy somersault.
• Mathiessen, G. Fred, photographer
• c1905.
• https://www.loc.gov/item/2011660995/
  
• https://www.romfordrecorder.co.uk/news/21468255.heritage-mystery-daredevil-cyclist-tackling-loop-the-loop-tricks/
  
• https://coololdpicofthedayclub.wordpress.com/2020/02/09/conn-baker-aka-allo-diavolo-american-daredevil-1905/