ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] A number of different types of crushing lenses have been made, and with them it is possible to crush suitably prepared samples of colliery dusts while watching them under the microscope. Coal substance under the conditions used becomes plastic and spreads. Minerals either spread, or shatter to ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/171928a0
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