Tidens naturlre fig. Tidens naturlre af Poul la Cour Fig Viservrk Bogen findes digitalt da Tidens Naturlre Drawing of the 'motion work' of clock the gears that turn the hour and minute hands From Tidens naturlre Nature of time by Poul la Cour Fig The book is digitized at da Tidens Naturlre From the book Tidens naturlre by Poul