| Reference Type | Journal (article/letter/editorial) |
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| Title | On a new method of detecting pyro-electricity |
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| Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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| Authors | Martin, A. J. P. | Author |
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| Year | 1931 (June) | Volume | 22 |
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| Issue | 133 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_22/22-133-519.pdf+ |
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| DOI | doi:10.1180/minmag.1931.022.133.04 |
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| Generate Citation Formats |
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| Mindat Ref. ID | 7119 | Long-form Identifier | mindat:1:5:7119:6 |
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| GUID | 0 |
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| Full Reference | Martin, A. J. P. (1931) On a new method of detecting pyro-electricity. Mineralogical Magazine and Journal of the Mineralogical Society, 22 (133) 519-523 doi:10.1180/minmag.1931.022.133.04 |
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| Plain Text | Martin, A. J. P. (1931) On a new method of detecting pyro-electricity. Mineralogical Magazine and Journal of the Mineralogical Society, 22 (133) 519-523 doi:10.1180/minmag.1931.022.133.04 |
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| In | (1929) Mineralogical Magazine Vol. 22 (133) Mineralogical Society |
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| Abstract/Notes | Introduction—pyro-electricity has been investigated by various methods. Sir David Brewster heated his crystals and brought them into contact with small, very light, insulating particles: If these adhered, the presence of pyro-electricity in the crystal was inferred. He also used a very delicately suspended brass needle. Being a conductor it was attracted to a charged crystal when this was brought near to it. Hankel placed the crystal under investigation in a small bath of copper or iron filings, which was then put into a hotair oven. The filings did not entirely cover the whole crystal, but one corner, edge, or face, whichever was required, was left exposed. A very small platinum sphere connected to an electrometer was then brought near to the exposed portion. The charge induced on the sphere was taken as a measure of the charge developed at the particular spot on the crystal opposite the platinum sphere. |
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