«DIPPING NEEDLE»に関連する英語の本
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1
Philosophical Transactions of the Royal Society of London
inclination of the south end of the dipping needle 50" 50', the needle stood
vertical when the face of the instrument was S 2° E. I then took the following
bearings : Extensive Mount 1080 30', the same exactly as by back bearing.
Double Peak ...
2
Rudimentary Magnetism; Being a Concise Exposition of the ...
Our limits do not admit of a more detailed notice of this beautiful instrument,
which is not only a dipping needle, but is also available for a great variety of
important magnetic researches, and has been successfully and extensively
employed.
Sir William Snow Harris,
1875
3
A Manual of Scientific Enquiry: Prepared for the Use of ...
One of the needles, A, is mounted as a dipping needle, and another, B, precisely
similar in its construction, is used as a deflector. The needle, B, being attached to
the frame* at the back of the instrument which carries the arms of the verniers, ...
Sir John Frederick William Herschel, Robert Main,
1871
4
The Annals of Philosophy
centre of the plate is equal to half the angle which the dipping needle makes with
the horizon. Whether this coincidence is purely accidental, or is a necessary
consequence of the manner in which the effect is produced, must remain doubtful
, ...
Richard Phillips, Edward William Brayley,
1826
5
Rudimentary magnetism. 3 pt. [in 2].
Our limits do not admit of a more detailed notice of this beautiful instrument,
which is not only a dipping needle, but is also available for a great variety of
important magnetic researches, and has been successfully and extensively
employed.
William Snow Harris (sir.), Henry Minchin Noad,
1872
6
A manual of scientific enquiry, prepared for the use of her ...
One of the needles, A, is mounted aa a dipping needle, and another, B, precisely
similar in its construction, is used as a deflector. The needle, B, being attached to
the frame* at the back of the instrument which carries the arms of the verniers, ...
Admiralty, Robert Main,
1871
The needle hung so as to move in the horizontal plane is called the “Declination”
or “Variation Needle;" that hung so as to move in the vertical plane the “
Inclination” or “Dipping Needle." To recapitulate: The needle of the mariner's
compaSs ...
We can ascertain the direction of the lines of force at any point in the earth's
magnetic field by employing the device known as the dipping needle. The
dipping needle consists of a magnetic needle mounted so as to turn freely in
every direction ...
Benjamin Warner Snow,
1921
9
The industries of the world, a course of technical ...
He propounded the following general law of the deviation due to rotation : — " I
refer the deviations of the horizontal needle to the deviations of magnetic
particles in the direction of the dip, or to those of a dipping- needle [see ante, p.
This is the force which acts upon the dipping needle. 75. Processes for
determining the amount of the earth's magnetic force. — The relative amount of
the earth's magnetic force in various regions may be determined by at least three
or four ...
United States. Bureau of Naval Personnel,
1883
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Virginia's Indian heirs cling to sliver of native soil
It's a simple act: dipping needle and thread into a scrap of soft buckskin. Yet each bead laid in an ancient pattern fills an internal void. «The Virginian-Pilot, 6月 09»