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David Stern
First of several linked files, telling the early history of the compass (discovered in China) and how Robert Norman in 1581 showed the magnetic force was not horizontal but slanted downwards, followed by William Gilbert's demonstration that the Earth behaved like a giant magnet; two reviews of Gilbert's 1600 book "De Magnete" follow, as well as a modern version of one of Gilbert's experiments. The web collection also includes several sections for science teachers.
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Record Link
<a href="https://www.compadre.org/portal/items/detail.cfm?ID=1560">Stern, David. Magnetism before Gilbert - Discovery of the Magnetic Compass. September 27, 2004.</a>
AJP/PRST-PER
D. Stern, Magnetism before Gilbert - Discovery of the Magnetic Compass (2004), <http://www.phy6.org/earthmag/upto1600.htm>.
APA Format
Stern, D. (2004, September 27). Magnetism before Gilbert - Discovery of the Magnetic Compass. Retrieved May 2, 2025, from http://www.phy6.org/earthmag/upto1600.htm
Chicago Format
Stern, David. Magnetism before Gilbert - Discovery of the Magnetic Compass. September 27, 2004. http://www.phy6.org/earthmag/upto1600.htm (accessed 2 May 2025).
MLA Format
Stern, David. Magnetism before Gilbert - Discovery of the Magnetic Compass. 2004. 27 Sep. 2004. 2 May 2025 <http://www.phy6.org/earthmag/upto1600.htm>.
BibTeX Export Format
@misc{
Author = "David Stern",
Title = {Magnetism before Gilbert - Discovery of the Magnetic Compass},
Volume = {2025},
Number = {2 May 2025},
Month = {September 27, 2004},
Year = {2004}
}
Refer Export Format
%A David Stern %T Magnetism before Gilbert - Discovery of the Magnetic Compass %D September 27, 2004 %U http://www.phy6.org/earthmag/upto1600.htm %O text/html
EndNote Export Format
%0 Electronic Source %A Stern, David %D September 27, 2004 %T Magnetism before Gilbert - Discovery of the Magnetic Compass %V 2025 %N 2 May 2025 %8 September 27, 2004 %9 text/html %U http://www.phy6.org/earthmag/upto1600.htm Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
Citation Source Information
The AIP Style presented is based on information from the AIP Style Manual. The APA Style presented is based on information from APA Style.org: Electronic References. The Chicago Style presented is based on information from Examples of Chicago-Style Documentation. The MLA Style presented is based on information from the MLA FAQ. |
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