1. Felix Klein’s projective representations of the groups \(S_6\) and \(A_7\)

   • Henning Heller

   OriginalPaper Open access 25 April 2022 Pages: 431 - 470

   

2. Galileo Galilei and the centers of gravity of solids: a reconstruction based on a newly discovered version of the conical frustum contained in manuscript UCLA 170/624

   • Riccardo Bellé
   • Beatrice Sisana

   OriginalPaper Open access 28 April 2022 Pages: 471 - 511

   

3. A mechanical concentric solar model in Khāzinī’s Mu‘tabar zīj

   • S. Mohammad Mozaffari

   OriginalPaper 11 June 2022 Pages: 513 - 529