Zobrazeno 1 - 10 of 27 pro vyhledávání: '"N. H. Hartshorne"'
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A simple single-axis rotation apparatus
Autor: N. H. Hartshorne
Publikováno v: Mineralogical Magazine and Journal of the Mineralogical Society. 33:693-696
SummaryThe apparatus enables a small crystal to be rotated through 360° about an axis parallel to the stage of a polarizing microscope, while immersed in a liquid of known refractive index. Angles of rotation are measured on a graduated drum to the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::653a012ce286977d7d7a2f8f03788158
https://doi.org/10.1180/minmag.1963.033.263.06
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5
AN IMPROVED SINGLE-AXIS ROTATION APPARATUS FOR THE STUDY OF CRYSTALS UNDER THE POLARIZING MICROSCOPE
Autor: N. H. Hartshorne, P. McL. Swift
Publikováno v: Journal of the Royal Microscopical Society. 75:129-132
SYNOPSIS The paper describes an apparatus for rotating a small crystal about a single axis while it is immersed in a liquid of known refractive index, for use with the polarizing microscope. An auxiliary apparatus for mounting the crystal in a desire
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc4086a47e96b984785c640004f795ab
https://doi.org/10.1111/j.1365-2818.1955.tb00418.x
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7
XI.-THE TEACHING OF THE USE OF THE POLARIZING MICROSCOPE
Autor: A. Stuart, N. H. Hartshorne
Publikováno v: Journal of the Royal Microscopical Society. 71:200-208
SYNOPSIS It is emphasized that students must fully understand the optics of the lens system of the polarizing microscope, and also that they must acquire the ability to “see” in three dimensions, so as to appreciate clearly the relationships betw
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0992651f5d09d25a8b4fbcbda3b2dd70
https://doi.org/10.1111/j.1365-2818.1951.tb01966.x
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8
Mesomorphism in the System Disodium Chromoglycate-Water
Autor: N. H. Hartshorne, G. D. Woodard
Publikováno v: Molecular Crystals and Liquid Crystals. 23:343-368
The system has been studied by a combination of polarization microscopy, using a hot stage, and X-ray diffraction analysis. The sequence of condensed phases occurring at room temperature with increasing concentration of disodium chromoglycate (DSCG)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fac9e0b5c4eee28248242140d90507d0
https://doi.org/10.1080/15421407308083381
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9
A Special Case of the Superposition of Crystal Plates between Crossed Polars and its Bearing on the Microscopy of Cellulosic Fibres
Autor: N. H. Hartshorne
Publikováno v: Nature. 184:179-181
WHEN monochromatic light is passed at perpendicular incidence through two superposed and differently orientated transparent crystal plates between crossed polars, the intensity of the light transmitted by the analyser relative to that of the light en
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::176395248a8e30b0633afeb9392ca197
https://doi.org/10.1038/184179a0
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10
Possible Existence of a Transition Point between β- and γ-Sulphur
Autor: N. H. Hartshorne, M. Thackray, R. S. Bradley
Publikováno v: Nature. 173:400-401
γ-SULPHUR, the metastable monoclinic modification first described crystallographically by Muthmann1, is frequently obtained when a thin film of molten sulphur between a slide and cover slip is caused to solidify by chilling. Using such preparations,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::edfd24631591b2f32920330778493851
https://doi.org/10.1038/173400a0
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