Libra (masa): Diferenzas entre revisións

A primeira emisión de [[Moeda (peza metálica)|moeda]] en Roma, efectuada no [[Século -IV|século IV]] a. C., foi o ''As Libral'', cuxo peso estaba baseado no da '''libra''' grega, e era de 327,4 [[Gramo|gramos]] de prata.<ref name="zupko">{{cite book|last=Zupko|first=Ronald Edward|author-link=Ronald Edward Zupko|title=Dictionary of Weights and Measures for the British Isles: The Middle Ages to the 20th Century|publisher=DIANE Publishing|isbn=0-87169-168-X|date=1985-12-01}}</ref> O resto de [[Moeda (peza metálica)|moedas]] emitidas ao longo da súa historia, tales como os [[Denario|denarios]] e [[Sestercio|sestercios]], estaban baseadas en divisores deste patrón monetario.<ref name="tracthille">{{Citationcite journal|editor-last=RuffheadHille|editor-first=OwenK.C.|editortitle=Medicinal-link=Owen RuffheadGewicht|titlepage=The Statutes at Large268|url=https://books.google.com/books?id=tKZFAAAAcAAJBfI3AAAAMAAJ&pg=RA2-PA268|volumejournal=Vol.&nbsp;I:Magazin Fromfür MagnaPharmacie Charta<!--sic-->und todie thedahin Endeinschlagenden of the Reign of King Henry the Sixth. To which is prefixed, A Table of the Titles of all the Publick and Private Statutes during that TimeWissenschaften|locationyear=London1831|publisherlocation=Mark Basket for the Crown|date=1763a|pp=[https://books.google.com/books?id=tKZFAAAAcAAJ&pg=PA148 148–149]}}. {{en icon}}&nbsp;& {{la icon}}&nbsp;& {{nrf iconHeidelberg}}</ref>

Soamente existía o diñeiro como moeda real.<ref name="hille">{{cite journal|last=Hille|first=K.C.|title=Medicinal-Gewicht|page=268|url=https://books.google.com/books?id=BfI3AAAAMAAJ&pg=RA2-PA268|journal=Magazin für Pharmacie und die dahin einschlagenden Wissenschaften|year=1831|location=Heidelberg}}</ref> Os soldos, marcos e libras eran unidades de conta.<ref>{{cite book|author=Cardarelli, F.|year=2004|title=Encyclopaedia of Scientific Units, Weights and Measures: Their SI Equivalences and Origins|publisher=Springer|edition=2nd|page=122|isbn=1-85233-682-X|url=https://books.google.com/books?id=6KCx8Ww75VkC}}</ref>