Record

Reference numberPP/22/6
Previous numbersPP/54/7
LevelItem
TitlePaper, 'On the elasticity of a crystal according to Boscovich' by Lord Kelvin [William Thomson]
Date1893
DescriptionThomson writes: 'A crystal in nature is essentially a homogeneous assemblage of equal and similar molecules, which for brevity I shall call crystalline molecules. The crystalline molecule may be the smallest portion which can be taken from the substance without chemical decomposition, that is to say, it may be the group of atoms kept together by chemical affinity, which constitutes what for brevity I shall call the chemical molecule; or it may be a group of two, three, or more of these chemical molecules kept together by cohesive force. In a crystal of tartaric acid the crystalline molecule may be, and it seems to me probably is, the chemical molecule, because if a crystal of tartaric acid is dissolved and recrystallised it always remains dextro-chiral.'

Annotations in pencil and ink.

Subject: Chemistry / Crystallography

Received 8 June 1893. Read 15 June 1893.

A version of this paper was published in volume 54 of the Proceedings of the Royal Society as 'On the elasticity of a crystal according to Boscovich'.
Extent81p
FormatManuscript
Physical descriptionInk and graphite pencil on paper
Digital imagesView item on Science in the Making
Access statusOpen
Related materialDOI: 10.1098/rspl.1893.0052
Fellows associated with this archive
CodeNameDates
NA8289Thomson; William (1824 - 1907); Baron Kelvin of Largs; mathematician and physicist1824 - 1907
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