A Course of Experiments in Physical Measurement volume 2
A Course of Experiments in Physical Measurement volume 2
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In our eReader you can find the full English version of the book. Read A Course of Experiments in Physical Measurement volume 2 Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Course of Experiments in Physical Measurement volume 2
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/) 10 cm. Apart, beginning with a point a, 5 cm. From one 412 MAGNETIC VIBRATIONS. [Exp. 75.
end of the rod. It is then magnetized by stroking it from e to a 10 times with the south pole of a power- ful electro-magnet, and by stroking it 10 times from f to j with the north pole of this magnet. A small piece of a sewing-needle (/, Fig. 204) about 1 cm. Long, and highly magne- tized is attached horizontally by Deal- ing-wax to a bullet e, and suspended 'IG. 204. By a fine fibre (cd~) of untwisted... silk from a cork (a) in a test tube (%).
The torsion of the fibre (cd) should be so slight that the cork (a) may be twisted through 860, with- out deflecting the needle (/) more than a few de- grees from the magnetic north, toward which one end should point. The needle is then to be deflected by a magnet ; and when the magnet is suddenly taken away the needle should make a series of vibrations in a horizontal plane. The weight of the bullet should be so proportioned to the magnetic strength of the needle that there may be about 10 vibrations completed in one minute.
What to read after A Course of Experiments in Physical Measurement volume 2?
You can find similar books in the "Read Also" column, or choose other free books by Harold Whiting to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
/) 10 cm. Apart, beginning with a point a, 5 cm. From one 412 MAGNETIC VIBRATIONS. [Exp. 75.
end of the rod. It is then magnetized by stroking it from e to a 10 times with the south pole of a power- ful electro-magnet, and by stroking it 10 times from f to j with the north pole of this magnet. A small piece of a sewing-needle (/, Fig. 204) about 1 cm. Long, and highly magne- tized is attached horizontally by Deal- ing-wax to a bullet e, and suspended 'IG. 204. By a fine fibre (cd~) of untwisted... silk from a cork (a) in a test tube (%).
The torsion of the fibre (cd) should be so slight that the cork (a) may be twisted through 860, with- out deflecting the needle (/) more than a few de- grees from the magnetic north, toward which one end should point. The needle is then to be deflected by a magnet ; and when the magnet is suddenly taken away the needle should make a series of vibrations in a horizontal plane. The weight of the bullet should be so proportioned to the magnetic strength of the needle that there may be about 10 vibrations completed in one minute.
What to read after A Course of Experiments in Physical Measurement volume 2?
You can find similar books in the "Read Also" column, or choose other free books by Harold Whiting to read onlineMoreLess
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