Dram (satuan)

Dram (pengucapan Inggris alternatif drachm) Earlier version first published in New English Dictionary, 1897.National Institute of Standards and Technology (October 2011). Butcher, Tina; Cook, Steve; Crown, Linda et al. eds. "Appendix C – General Tables of Units of Measurement" (PDF). Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices. NIST Handbook. 44 (2012 ed.). Washington, D.C.: U.S. Department of Commerce, Technology Administration, National Institute of Standards and Technology. ISSN 0271-4027. OCLC . Retrieved 1 July 2012. adalah sebuah satuan massa dalam sistem avoirdupois, dan satuan massa dan satuan volume dalam sistem apothecaries'. Unit tersebut awalnya adalah koin dan massa pada zaman Yunani kuno.

 Referensi 

 Pranala luar 

 Appendix C – General Tables of Units of Measurement in Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices. NIST Handbook 44 (2012 ed.).
 Image  of Ancient Greek silver drachm with flying Pegasus, Acarnania, Leucas, c. 470–450 BCE

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