The dipping of the needle had ceased.
"The Smoky God" by Willis George Emerson
The dip of the needle goes through a similar cycle of daily changes.
"Side-lights on Astronomy and Kindred Fields of Popular Science" by Simon Newcomb
We found the North point of the Diping Needle, belonging to the Royal Society, to Dip 77 degrees 18 minutes.
"Captain Cook's Journal During the First Voyage Round the World" by James Cook
Dip a needle in the ink and prick a row of spots at equal distances on a young root.
"Outlines of Lessons in Botany, Part I; From Seed to Leaf" by Jane H. Newell
Dip of the south end of the Needle: 38 degrees.
"Narrative of a Survey of the Intertropical and Western Coasts of Australia" by Phillip Parker King
Dip of the Needle at Port Louis, Simon's Bay, and various parts of the Atlantic Ocean, observed upon the Bathurst's return to England.
"Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]" by Phillip Parker King
Mean Dip of the S. end of the needle, taken onshore, 64 deg.
"A Voyage to Terra Australis" by Matthew Flinders
The dip was observed with both ends of the needle, and the face of the instrument changed each time.
"A Voyage to Terra Australis Volume 2" by Matthew Flinders
The vertical dip of the needle was explained by the magnetic attraction of the north pole.
"Our Legal Heritage, 5th Ed." by S. A. Reilly
Dip of the needle / Unmarked end \Dipping, /68 deg.
"A General History and Collection of Voyages and Travels, Volume 16" by Robert Kerr
For three days the weather was unsettled, and few observations could be made, except for the dip of the needle, which was ascertained to be 74 deg.
"Narrative of a Journey to the Shores of the Polar Sea, in the Years 1819-20-21-22, Volume 1" by John Franklin
Part of this work is on a dipping-needle of the author's construction.
"A Budget of Paradoxes, Volume I (of II)" by Augustus De Morgan
The dip of the needle was discovered A. D. 1576 by Robert Norman of London.
"Christopher Columbus and His Monument Columbia" by Various
One phenomenon that disturbed Columbus was the dip of the needle.
"Electricity and Magnetism" by Elisha Gray
This seems in general to be nearly coincident with the direction of the dipping needle.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 8" by Various
DIPPING-NEEDLE, or INCLINATION COMPASS, an instrument for showing the direction of the earth's magnetic force.
"The New Gresham Encyclopedia" by Various
Iron will also become magnetical by ignition and quenching it in water in the position of the dipping-needle.
"Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry" by Joseph Priestley
The arc indicated by both ends of the needle was read in every position: an observation of the dip consisted, consequently, of sixteen readings.
"Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836" by Robert FitzRoy
Some observations for the dip of the needle gave mean dip 84 deg.
"Narrative of an Expedition to the Shores of the Arctic Sea in 1846 and 1847" by John Rae
How would a dipping needle be of assistance in locating the magnetic poles of the earth?
"Physics" by Willis Eugene Tower