Table of contents
February 1, 1873, Volume 28 No 5 pp63-74
About the coverBooks
Business and Personal
Notes and Queries
Top of page
Top of pageArticles
The Duplex Telegraph Instrument in England - p65
doi:10.1038/scientificamerican02011873-65a
Professor Tyndall's Fifth Lecture in New York—The Invisible Rays - p67
doi:10.1038/scientificamerican02011873-67
The Telescope in the Cambridge University - p68
doi:10.1038/scientificamerican02011873-68a
Dr. Draper's Researches in Actino-Chemistry - p72
doi:10.1038/scientificamerican02011873-72a
