Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966

Victor F.Lenzen

《Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966》，Victor F.Lenzen。这是一部关于历史、科学、文学的公版作品，适合在安静的片刻里慢慢读下去。