EntityQ2247098· pop 7· linked from 42 articlesfuseeSign in to saveconical pulley-and-chain component in mechanical timepiecesConnectionsmarine chronometerEntityverge escapementEntitybarrelEntityLeonardo da VinciEntityclockEntityWikimedia CommonsEntityInternational Standard Book NumberEntityBritish MuseumEntityconeEntitypulleyEntitypendulumEntitytorqueEntityspringEntitycrossbowEntityFilippo BrunelleschiEntityPhilip III the GoodEntityharmonic oscillatorEntityhyperboloidEntityJohn HarrisonEntitypocket watchEntityCategories15th-century inventionsHorologyTimekeeping components