 | William Nicholson - Natural history - 1809 - 700 pages
...the magnetic power to a needle, let it be placed horizontally, and with a magnet in each hand, let the north pole of one, and the south pole of the other • be broneht, obliquely, in contact over the centre of the needle ; draw them asunder, taking care... | |
 | William Nicholson - 1809 - 734 pages
...the magnetic power to Я needle, let it be placed horizontally, and with a magnet in each hand, let the north pole of one, and the south pole of the other be brought, obliquel), in contact over the centre of the needle ; draw them asunder, taking care to... | |
 | William Nicholson - Natural history - 1821 - 406 pages
...individually to unmagnetised needles. The south poles will, in like manner, repel each other ; but the north pole of one, and the south pole of the other, will, when approximated, be evidently attracted, and will cohere so as to sustain considerable weights.... | |
 | Jacob Green - Science - 1827 - 222 pages
...divided a dilute solution of nitrate of silver into three portions. In one I placed a steel bar hardeued at the ends, but which did not attract iron filings,...magnets formed of similar bars, the north pole of one aiul the south pole of the other being immersed, their opposite poles projecting above the edges of... | |
 | 1839 - 500 pages
...extremity of a steel needle, or, which is more effectual, a pair of strong magnets at both extremities, the north pole of one and the south pole of the other being brought in contact with the needle, the decomposition will be partially effected, and will likewise... | |
 | T. C. Thornton - Scientific recreations - 1846 - 268 pages
...to a steel bar, or compass needle ; let it be placed horizontally, take a magnet in each hand, let the north pole of one, and the south pole of the other, be brought obliquely in contact, over the centre of the bar; draw them asunder, taking care to press... | |
 | Military art and science - 1860 - 936 pages
...instrument being correctly levelled, magnetise the needle by passing two bar magnets, held one in each hand (the north pole of one and the south pole of the other downwards) over each face, beginning from the centre and drawing them over the ends ; repeat this about... | |
 | Encyclopedias and dictionaries - 1867 - 528 pages
...extremity oí a steel needle, or, which is more effectual, a pair of strong magnets at both extremities, the north pole of one and the south pole of the other being brought in contact with the needle, the decomposition will be partially effected, and will likewise... | |
 | John Platts - Curiosities and wonders - 1876 - 986 pages
...applied individually to unmagnetized needles. The south poles will, in like manner, repel each other; but the north pole of one, and the south pole of the other, will, when approximated, be evidently attracted, and will cohere so as to sustain considerable weights.... | |
 | Heinrich Schellen - Electric engineering - 1884 - 544 pages
...permanent magnets are fastened to the base, so that their respective poles are in opposition, i, e., the north pole of one and the south pole of the other are upon the base. On the shaft two disks of non-magnetic material, like brass or vulcanite, are fastened.... | |
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It is a well known fact that when two magnets are brought near together, their unlike poles ; *'. e., the north pole of one and the south pole of the other... 
