Abstract
With the exception of a series of determinations made by the officers of the “Challenger” at Ponta Delgada, St. Michael, in 1873, no magnetic observations have, so far as I can learn, been made in the Azores since the time, of Captain Vidal’s hydrographic survey in 1843-4.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Similar Papers
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.