Drop (unit)
Drop was a Scottish unit of mass and in use until 1826. The measure was calculated according to the old Scottish Troy weight.
literature
- Author collective: Brockhaus' Konversationslexikon. Volume 5, FA Brockhaus Leipzig / Berlin / Vienna 1894–1896, p. 530.
- Richard Klimpert: Lexicon of coins, measures, weights, counting methods and time values of all countries in the world. Verlag C. Regenhardt, Berlin 1896, p. 81. (Reprint Verlag Рипол Классик ISBN 978-1-14697-121-8 )