Keywords: LuneHippocratesEWHobsonFg3.jpg en Menisci or Lunulae of Hippocrates Fig 3 in E W Hobson Squaring the Circle A History of the Problem 1913 2016-12-23 Squaring the Circle A History of the Problem 1913 E W Hobson other versions PD-old-70-1923 Lune of Hippocrates |