ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] IT is usually stated that the carat weight of jewellers and diamond merchants is derived from the hard seeds the locust tree, Ceratonia siliqua, which were anciently used as weights. Having had occasion to obtain some of the beans, I weighed several of the seeds to see what scrt of error would ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/099185c0