{"id":7751,"date":"2020-09-21T11:06:16","date_gmt":"2020-09-21T11:06:16","guid":{"rendered":"https:\/\/www.ipq.pt\/metrology-museum\/weights-and-measures-in-portugal\/the-decimal-metric-system\/adocao-do-sistema-metrico-e-sua-divulgacao\/"},"modified":"2023-02-13T12:49:20","modified_gmt":"2023-02-13T12:49:20","slug":"adoption-and-promotion-of-the-metric-system","status":"publish","type":"page","link":"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-decimal-metric-system\/adoption-and-promotion-of-the-metric-system\/","title":{"rendered":"Adoption and promotion of the metric system"},"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-7583\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/\"><span class=\"link-text\"> Weights and measures in Portugal<\/span><span class=\"arrow\"><\/span><\/a><ul class=\"sub-menu\"><li id=\"menu-item-8313\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-8313\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-first-weights-and-measures\/\"><span class=\"link-text\"> The first weights and measures<\/span><span class=\"arrow\"><\/span><\/a><ul class=\"sub-menu\"><li id=\"menu-item-7605\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7605\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-first-weights-and-measures\/length-measures\/\"><span class=\"link-text\"> Length measures<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7654\" class=\"menu-item 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href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/metrological-reforms-of-the-modern-era\/the-reform-of-king-sebastiao\/\"><span class=\"link-text\"> The Reform of King Sebasti\u00e3o<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7715\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7715\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/metrological-reforms-of-the-modern-era\/the-philippine-dynasty\/\"><span class=\"link-text\"> The Philippine Dynasty<\/span><span class=\"arrow\"><\/span><\/a><\/li><\/ul><\/li><li id=\"menu-item-7767\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-7767\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-decimal-metric-system\/\"><span class=\"link-text\"> The decimal metric system<\/span><span class=\"arrow\"><\/span><\/a><ul class=\"sub-menu\"><li id=\"menu-item-7764\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7764\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-decimal-metric-system\/creation-of-the-decimal-metric-system\/\"><span class=\"link-text\"> Creation of the decimal metric system<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7763\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7763\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-decimal-metric-system\/the-reform-of-king-joao-vi\/\"><span class=\"link-text\"> The reform of King Jo\u00e3o VI<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7762\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7762\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-decimal-metric-system\/adoption-and-promotion-of-the-metric-system\/\"><span class=\"link-text\"> Adoption and promotion of the metric system<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8440\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8440\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/the-decimal-metric-system\/the-meter-convention\/\"><span class=\"link-text\"> The meter convention<\/span><span class=\"arrow\"><\/span><\/a><\/li><\/ul><\/li><\/ul><\/li><li id=\"menu-item-8441\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-8441\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/collaboration-with-nadl\/\"><span class=\"link-text\"> Collaboration with NADL<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7921\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-7921\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/other-services\/\"><span class=\"link-text\"> Other services<\/span><span class=\"arrow\"><\/span><\/a><ul class=\"sub-menu\"><li id=\"menu-item-7920\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7920\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/other-services\/purchase-of-the-book-weights-and-measures-in-portugal\/\"><span class=\"link-text\"> Purchase of the book &#8220;Weights and measures in Portugal&#8221;<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7919\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7919\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/other-services\/historical-archive\/\"><span class=\"link-text\"> Historical archive<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-8451\" class=\"menu-item 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;\">ADOPTION AND PROMOTION OF THE METRIC SYSTEM<\/h2><\/div><div class=\"fusion-image-element \" style=\"text-align:right;--awb-margin-top:20px;--awb-max-width:220px;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><img decoding=\"async\" width=\"150\" height=\"225\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27150%27%20height%3D%27225%27%20viewBox%3D%270%200%20150%20225%27%3E%3Crect%20width%3D%27150%27%20height%3D%27225%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/700_v1.png\" alt class=\"lazyload img-responsive wp-image-7016\"\/><\/span><\/div><div class=\"fusion-text fusion-text-1 template-1-text\"><p><span data-contrast=\"auto\">Although King Jo\u00e3o VI determined the adoption of a new system based on the measures of the French metric system (whose fundamental unit was the\u00a0<\/span><i><span data-contrast=\"auto\">m\u00e8tre<\/span><\/i><span data-contrast=\"auto\">), with Portuguese terminology, it was never effectively used.<\/span><\/p>\n<p><span data-contrast=\"auto\">In the 1940s, deputy Jo\u00e3o Baptista da Silva Lopes raised the issue several times in the\u00a0<\/span><i><span data-contrast=\"auto\">C\u00e2mara dos\u00a0Deputados<\/span><\/i><span data-contrast=\"auto\">\u00a0(<\/span><span data-contrast=\"auto\">Chamber of Deputies<\/span><span data-contrast=\"auto\">)<\/span><span data-contrast=\"auto\">. After a first attempt in 1843, in 1848 this scholar drafted a new draft law and, to support it, published a work entitled <\/span><i><span data-contrast=\"auto\">Mem\u00f3ria\u00a0s\u00f4bre\u00a0a\u00a0reforma\u00a0dos pesos e\u00a0medidas\u00a0em\u00a0Portugal,\u00a0segundo\u00a0o\u00a0sistema\u00a0m\u00e9trico\u00a0d\u00e9cimal<\/span><\/i><span data-contrast=\"auto\">\u00a0(Memory on the reform of weights and measures in Portugal, according to the decimal metric system).<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<\/div><div class=\"fusion-image-element \" style=\"text-align:left;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\"><img decoding=\"async\" width=\"200\" height=\"267\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27267%27%20viewBox%3D%270%200%20200%20267%27%3E%3Crect%20width%3D%27200%27%20height%3D%27267%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/701_v1.png\" alt class=\"lazyload img-responsive wp-image-7018\"\/><\/span><\/div><div class=\"fusion-text fusion-text-2\"><p>Finally, the metric system came to be formally adopted by Decree of Queen Maria II of December 13, 1852, following a Report by the Ministers and Secretaries of State of all departments and the positive opinion of the\u00a0<span data-contrast=\"auto\"><em>Conselho<\/em><em>\u00a0Geral do Commercio, Agricultura e Manufacturas<\/em><\/span><span data-contrast=\"auto\">\u00a0(General Council of Commerce, Agriculture and Manufacturing).<\/span><\/p>\n<p><span data-contrast=\"auto\">This\u00a0law\u00a0determined the adoption of the &#8220;legal meter of France&#8221; as the basis of the entire legal system of weights and measures in the country. The various units of the new weights and measures, including multiples and submultiples, would follow the nomenclature of the metric decimal system. The new system would be\u00a0gradually\u00a0implemented\u00a0and should be fully in force 10 years after the publication of the Decree.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-3 template-1-text\"><\/div><div class=\"fusion-image-element \" style=\"text-align:right;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none\"><img decoding=\"async\" width=\"200\" height=\"284\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27284%27%20viewBox%3D%270%200%20200%20284%27%3E%3Crect%20width%3D%27200%27%20height%3D%27284%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/703-b_v1.png\" alt class=\"lazyload img-responsive wp-image-7022\"\/><\/span><\/div><div class=\"fusion-text fusion-text-4\"><p>The official adoption of the metric system led to the creation of the\u00a0<span data-contrast=\"auto\"><em>Comiss\u00e3o<\/em><em>\u00a0Central de Pesos e\u00a0<\/em><em>Medidas<\/em><\/span><span data-contrast=\"auto\">\u00a0(Central Committee on Weights and Measures), under the supervision of the\u00a0<\/span><span data-contrast=\"auto\"><em>Minist\u00e9rio<\/em><em>\u00a0das Obras\u00a0<\/em><em>P\u00fablicas<\/em><em>, Com\u00e9rcio e Ind\u00fastria<\/em><\/span><span data-contrast=\"auto\">\u00a0(Ministry of Public Works, Commerce and Industry). This Commission proposed the creation of\u00a0the\u00a0<\/span><span data-contrast=\"auto\"><em>Inspec\u00e7\u00e3o<\/em><em>\u00a0Geral dos Pesos e\u00a0<\/em><em>Medidas<\/em><em>\u00a0do Reino<\/em><\/span><span data-contrast=\"auto\">\u00a0(General Inspection of the Weights and Measures of the Kingdom), on which\u00a0the\u00a0<\/span><span data-contrast=\"auto\"><em>Esta\u00e7\u00e3o<\/em><em>\u00a0Central de\u00a0<\/em><em>Aferi\u00e7\u00f5es<\/em><\/span><span data-contrast=\"auto\">\u00a0(Central Measurement Station) would depend.<\/span><\/p>\n<p><span data-contrast=\"auto\">During this period (the 50s and 60s of the 19th century), decrees were published on the new standards and metrological control and several publications were published with the aim of promoting and disseminating the metric system.<\/span><\/p>\n<p><span data-contrast=\"auto\">In 1859 a decree determined the distribution of the new metric standards across the country:\u00a0 the 1st class remaining at the General Inspection of Weights and Measures of the Kingdom, the 2nd class would be sent to the\u00a0<\/span><span data-contrast=\"auto\"><em>Inspec\u00e7\u00f5es<\/em><\/span><span data-contrast=\"auto\"><em>\u00a0de Pesos e\u00a0<\/em><\/span><span data-contrast=\"auto\"><em>Medidas<\/em><\/span><span data-contrast=\"auto\">\u00a0(Weights and Measures Inspections) of each District and the 3rd class would stay with the city councils.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<\/div><div class=\"fusion-image-element \" style=\"text-align:left;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-5 hover-type-none\"><img decoding=\"async\" width=\"200\" height=\"227\" src=\"https:\/\/www.ipq.pt\/wp-content\/uploads\/703_v1.png\" data-orig-src=\"https:\/\/storagewebsiteipq.blob.core.windows.net\/website\/\/703_v1-200x227.png\" alt class=\"lazyload img-responsive wp-image-7020\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27220%27%20height%3D%27250%27%20viewBox%3D%270%200%20220%20250%27%3E%3Crect%20width%3D%27220%27%20height%3D%27250%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.ipq.pt\/wp-content\/uploads\/703_v1-200x227.png 200w, https:\/\/www.ipq.pt\/wp-content\/uploads\/703_v1.png 220w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, (max-width: 640px) 100vw, 200px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-5\"><p>Joaquim Henriques\u00a0Fradesso\u00a0da Silveira played a major role in the promotion and dissemination of the metric system in Portugal. He was an artillery officer and Professor at the\u00a0<span data-contrast=\"auto\">Escola\u00a0<\/span><em>Polit\u00e9cnica<\/em><span data-contrast=\"auto\">\u00a0(Polytechnic School) who became the first\u00a0Inspector Geral dos Pesos e\u00a0<em>Medidas<\/em><em>\u00a0do Reino<\/em><\/span><span data-contrast=\"auto\"> (General Inspector of the Weights and Measures of the Kingdom). This military and academic had been in France and Belgium studying the organization of weights and measures and published several works in order to promote the use of the metric system throughout the country.<\/span><\/p>\n<p><span data-contrast=\"auto\">Fradesso\u00a0da Silveira was instrumental in the process of gradual adoption and use of the Metric System, promoting the collection of old municipal standards and replacing them with standards of the \u201cnew\u201d system and writing various publications with the aim of disseminating and promoting this system.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":58,"featured_media":0,"parent":7719,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-7751","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages\/7751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/users\/58"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/comments?post=7751"}],"version-history":[{"count":13,"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages\/7751\/revisions"}],"predecessor-version":[{"id":18428,"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages\/7751\/revisions\/18428"}],"up":[{"embeddable":true,"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages\/7719"}],"wp:attachment":[{"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/media?parent=7751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}