Development of the Phonograph at Alexander Graham Bell's Volta Laboratory: Contributions from the Museum of History and Technology, United States National Museum Bulletin 218, Paper 5, (pages 69-79)

Development of the Phonograph at Alexander Graham Bell's Volta Laboratory: Contributions from the Museum of History and Technology, United States National Museum Bulletin 218, Paper 5, (pages 69-79)（Newville, Leslie J. 著）属公有领域作品，本页面提供公版书免费下载，已通过夸克网盘 / 百度网盘分发。读者可一键转存至个人网盘，离线阅读或永久保存。