{"id":7615,"date":"2020-09-20T23:44:07","date_gmt":"2020-09-20T23:44:07","guid":{"rendered":"https:\/\/www.ipq.pt\/metrology-museum\/weights-and-measures-in-portugal\/the-first-weights-and-measures\/as-medidas-de-peso-massa\/"},"modified":"2023-02-13T12:54:44","modified_gmt":"2023-02-13T12:54:44","slug":"the-weight-mass","status":"publish","type":"page","link":"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-first-weights-and-measures\/the-weight-mass\/","title":{"rendered":"The weight\u00a0(mass)"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container hundred-percent-fullwidth non-hundred-percent-height-scrolling\" 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menu-item-type-post_type menu-item-object-page menu-item-7654\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-first-weights-and-measures\/volume-measures\/\"><span class=\"link-text\"> Volume measures<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7653\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7653\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-first-weights-and-measures\/the-weight-mass\/\"><span class=\"link-text\"> The weight\u00a0(mass)<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7656\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7656\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-first-weights-and-measures\/early-reforms-towards-standardization\/\"><span class=\"link-text\"> Early reforms towards standardization<\/span><span 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menu-item-type-post_type menu-item-object-page menu-item-8451\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/other-services\/teaching-materials-museum\/\"><span class=\"link-text\"> Teaching materials<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7918\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7918\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/other-services\/bibliography\/\"><span class=\"link-text\"> Bibliography<\/span><span class=\"arrow\"><\/span><\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_2_3 2_3 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two subtitulo-sh2\" style=\"--awb-text-color:#eeb614;--awb-font-size:20px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;font-size:1em;--fontSize:20;--minFontSize:20;line-height:2;\">MIDDLE AGES:\u00a0THE WEIGHT\u00a0(MASS)<\/h2><\/div><div class=\"fusion-text fusion-text-1 template-1-text\" style=\"--awb-margin-top:20px;\"><p class=\"p1\">In medieval Portugal, several weight systems were used, based mainly on two measures: the &#8220;arr\u00e1tel&#8221; from Arabic\u00a0<span class=\"s1\">\u0631\u0650\u0637\u0652\u0644<\/span><span class=\"s2\">\u202for\u202f<\/span><span class=\"s1\">\u0631\u064e\u0637\u0652\u0644<\/span><span class=\"s2\">\u202for\u202f<\/span><span class=\"s1\">\u0631\u064f\u0637\u0652\u0644<\/span><a href=\"https:\/\/en.wiktionary.org\/wiki\/Wiktionary:About_Arabic#Romanization\" target=\"_blank\" rel=\"noopener\"><span class=\"s2\">\u202f<\/span><span class=\"s3\">\u2022<\/span><\/a><span class=\"s2\">\u202f,\u00a0(<i>ri\u1e6dl<\/i>\u202for\u202f<i>ra\u1e6dl<\/i>\u202for\u202f<i>ru\u1e6dl<\/i>)<\/span> and the &#8220;libra&#8221; (pound).<\/p>\n<p class=\"p1\">According to the Law of Almota\u00e7aria of 1253, the arr\u00e1tel would comprise 12.5 ounces. One Portuguese arroba would comprise 32 arr\u00e1teis and 12 arrobas would make one &#8220;carga&#8221; (load). This arroba was equivalent to the arroba of 25 libras of 16 ounces each, used in Castile, so the Portuguese arroba should be similar to the Castilian arroba.<\/p>\n<p class=\"p1\">In the 14th century, there was the &#8220;legal&#8221; arr\u00e1tel of 14 onces (it continued to be used at Casa da \u00cdndia until the 19th century). The quintal (4 arrobas de 32 arr\u00e1teis) was equivalent to 128 arr\u00e1teis of 14 ounces.<\/p>\n<p class=\"p1\">Other systems were used:<\/p>\n<ul class=\"ul1\">\n<li class=\"li1\">&#8220;Arr\u00e1tel\u00a0mourisco&#8221; (Moorish\u00a0arr\u00e1tel),\u00a0refered\u00a0to\u00a0in documents by King\u00a0Dinis, King Fernando and even King Manuel I, used, for example, to weigh meat. There is contradictory information, but there are authors who claim that it would comprise 16 ounces;<\/li>\n<li class=\"li1\">&#8220;Arr\u00e1tel\u00a0folforinho&#8221; &#8211; mentioned in documentation from the time of King Pedro I (Cortes of\u00a0Elvas\u00a0in 1361), and from King Fernando, also used to weigh meat, would be \u00be of the Moorish\u00a0arr\u00e1tel;<\/li>\n<li class=\"li1\">&#8220;Arr\u00e1tel\u00a0de\u00a0carni\u00e7aria&#8221; (butchery\u00a0arr\u00e1tel) &#8211; would be greater than 48 ounces;<\/li>\n<li class=\"li1\">Stone (made of stone) &#8211; theoretically equivalent to 8 arr\u00e1teis, used to weigh wool and linen. The weight varied (depending on the degradation of the material).<\/li>\n<\/ul>\n<p>By the end of the 14th century references are found, in Portugal, to the use of two measures with the same name, but of different origin: the &#8220;marco de Tria&#8221; (Troyes mark, from the Champagne fairs) and the &#8220;marco de Colonha&#8221; (Cologne mark), which were also used in much of Europe, notably the rest of the peninsula, France and England.<\/p>\n<p class=\"p1\">Although the available elements are not all in agreement, apparently the Cologne mark would be equivalent to 15\/16 of the Troyes mark.<\/p>\n<\/div><div class=\"fusion-image-carousel fusion-image-carousel-auto fusion-image-carousel-1 fusion-carousel-border\"><div class=\"awb-carousel awb-swiper awb-swiper-carousel\" data-autoplay=\"yes\" data-columns=\"1\" data-itemmargin=\"13\" data-itemwidth=\"180\" data-touchscroll=\"no\" data-imagesize=\"auto\" style=\"--awb-columns:1;\"><div class=\"swiper-wrapper 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