History of Metrology
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Most cited papers in History of Metrology
A medição faz parte da actividade humana desde as primeiras civilizações. É necessário medir ou pesar os produtos que se compra, vende ou troca, bem como aqueles que se entregam ao rei ou ao templo a título de imposto ou tributo. É... more
In this paper, the value of the modius (modio, moyo, moio) in Portugal in the 11th to the 13th centuries is studied. By this time, the modius was both a measure of capacity and a unit used in the specification of prices. The author... more
Early modern scholars and statesmen were acutely aware of the need for improved standards of measurement, albeit for differing reasons. The variety of man-made units across territories and histories was, by the seventeenth century,... more
Ao longo do século XX, generalizou-se a ideia de que, na idade média, a capacidade do alqueire oscilaria entre 14 e 18 litros. No entanto, num trabalho recente, foi possível que: a) os alqueires legais medievais tinham um valor próximo do... more
A collection of 35 iron weights, currently preserved in the Museu Nacional Machado de Castro, is studied. These weights, dated of the 18th/19th centuries and some of them identified as belonging to the University of Coimbra, do not... more
'Beati Possidentes': The Royal Dutch Academy and the Standard Metre, in: B. Grob & H. Hooijmaijers, Who needs Scientifc Instruments (Leiden 2006), pp. 17-27.