Tightrope walking is the art of walking along a thin wire or rope, usually at a great height. One or more artists performs in front of an audience or as a publicity stunt. Tightrope walkers sometimes use balancing poles and may perform the feat without a safety net for effect.
Government Printing Office The Official Gazette of the United States Patent Office (Washington, DC: Government Printing Office, 1895)
Courtesy the private collection of Roy Winkelman