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 | SpringerLink
GALILEI PENDEL TOUCH, KROM/HVID - EL Shoppen
Hemmpendel – Wikipedia
onlinekunst.de: Galileo Galilei und das Pendel von Inga Schnekenburger