The longitude not found, or, An answer to a treatise written by Henry Bond, Senior, shewing a way to find the longitude by the magnetical inclinatory needle wherein is proved that the longitude is not, nor cannot be found by the magnetical inclinatory needle / by Peter Blackborrow, Gent.

About this Item

Title
The longitude not found, or, An answer to a treatise written by Henry Bond, Senior, shewing a way to find the longitude by the magnetical inclinatory needle wherein is proved that the longitude is not, nor cannot be found by the magnetical inclinatory needle / by Peter Blackborrow, Gent.
Author
Blackborow, Peter.
Publication
London :: Printed for Robert Harford ...,
1678.
Rights/Permissions

To the extent possible under law, the Text Creation Partnership has waived all copyright and related or neighboring rights to this keyboarded and encoded edition of the work described above, according to the terms of the CC0 1.0 Public Domain Dedication (http://creativecommons.org/publicdomain/zero/1.0/). This waiver does not extend to any page images or other supplementary files associated with this work, which may be protected by copyright or other license restrictions. Please go to http://www.textcreationpartnership.org/ for more information.

Subject terms
Bond, Henry. -- Longitude found.
Longitude.
Longitude -- Tables.
Navigation -- Early works to 1800.
Link to this Item
http://name.umdl.umich.edu/A28285.0001.001
Cite this Item
"The longitude not found, or, An answer to a treatise written by Henry Bond, Senior, shewing a way to find the longitude by the magnetical inclinatory needle wherein is proved that the longitude is not, nor cannot be found by the magnetical inclinatory needle / by Peter Blackborrow, Gent." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A28285.0001.001. University of Michigan Library Digital Collections. Accessed June 9, 2024.

Pages

The Sphere on the other side, is ac∣cording to Mr. Bonds own De∣monstration, to prove the fore∣going Work.

Here place the Sixth Figure.

And before I proceed any further, I shall make one Observation between the Me∣ridian of London and Bourdeaux. Bour∣deaux being but 20 Minutes Eastwards of the Meridian of London: See Mr. Bonds Tables of Longitude.

The Magnetical Latitude 69 d. 26 m. Bourdeaux Latitude N° 45 d. 16 m. the

Page 26

Magnetick Co-latitude 36 d. 54 m. the di∣stance of the Magnetick Pole, from the Pole of the Earth 8 d. 30 m. to find the Angle of the Pole of the Earth.

Do you have questions about this content? Need to report a problem? Please contact us.