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Reference numberAP/23/14
LevelItem
TitleUnpublished paper, 'Aperçu sur une manière nouvelle d'envisager la théorie cristallographique' [Sketch of a new manner of considering the theory of crystallography] by L A Necker
CreatorNecker; L A (fl 1839)
DateJanuary 1839
DescriptionNecker suggests that there should be different forms of molecules, some spherical, some elliptical with two equal axes, and a third unequal to these, and others elliptical with three unequal axes. He explains that a Mr. Dana is the only mineralogist who has attempted to introduce into crystallography the consideration of molecules with curved surfaces; however, the most important and difficult steps in this branch of physical science still remain to be made, and many phenomena in crystallization still require explanation through theory. Necker particularly refers to facts discovered by M M Leblanc and [François Sulpice] Beudant.

The paper is written in French, followed by an English translation. Annotations in ink throughout.

Subject: Physics / Mineralogy

Communicated by P M [Peter Mark] Roget.

Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 4 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'Appercu sur une manière nouvelle d'envisager la théorie cristallographique dans le but d'établir les rapports de celle-ci avec la forme sphérique, ou elliptique, des molécules, anisi qu'avec l'effect des milieux sur la forme cristalline'.
LanguageFrench
English
Extent40p
FormatManuscript
Physical descriptionInk on paper
Digital imagesView item on Science in the Making
Access statusOpen
Related materialDOI: 10.1098/rspl.1837.0048
Related records in the catalogueMC/3/1
RR/1/169
Fellows associated with this archive
CodeNameDates
NA6616Roget; Peter Mark (1779 - 1869); physician and philologist1779 - 1869
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