mindat
@mindat
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http://www.mindat.org 29-10-2008 22:43:14
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Just discovered that Simon Singh's book 'Fermat's Last Theorem' lists my grandfather's book on Pythagoras in his 'Suggestions for Further Reading'. His book was short-run printed and few have ever seen it, so I'm sharing it:
archive.org/details/Pythag…
Some of the best things in museums are hidden away in dark drawers out of the public eye. Not because they want to hide them, but because continued exposure to light can destroy them, like this amazing proustite crystal at Natural History Museum