{"id":7814,"date":"2020-11-27T23:40:20","date_gmt":"2020-11-27T23:40:20","guid":{"rendered":"https:\/\/www.ipq.pt\/metrology-museum\/balanca-da-confraria-de-santo-eloy\/"},"modified":"2023-02-13T12:15:02","modified_gmt":"2023-02-13T12:15:02","slug":"calibration-balance-of-the-brotherhood-of-st-eloy","status":"publish","type":"page","link":"https:\/\/www.ipq.pt\/en\/metrology-museum\/calibration-balance-of-the-brotherhood-of-st-eloy\/","title":{"rendered":"Calibration balance of the Brotherhood of St Eloy"},"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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fusion-content-layout-column\"><div class=\"fusion-widget fusion-widget-element fusion-widget-area fusion-content-widget-area wpWidget-1 menu_v_template1 fusion_widget_vertical_menu no-divider-color\" style=\"--awb-fusion-border-size:0px;--awb-fusion-border-style:solid;\"><div class=\"widget avada_vertical_menu\"><style>#fusion-vertical-menu-widget-avada-vertical-menu-widget-1-nav ul.menu li a {font-size:14px;}<\/style><nav id=\"fusion-vertical-menu-widget-avada-vertical-menu-widget-1-nav\" class=\"fusion-vertical-menu-widget fusion-menu hover left no-border\" aria-label=\"Secondary navigation\"><ul id=\"menu-metrology-museum\" class=\"menu\"><li id=\"menu-item-18619\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-18619\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/\"><span class=\"link-text\"> metrology museum<\/span><span class=\"arrow\"><\/span><\/a><ul class=\"sub-menu\"><li id=\"menu-item-7520\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7520\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/collectionofthemuseum\/\"><span class=\"link-text\"> Collection of the Museum<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7546\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-7546\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/museum-space\/\"><span class=\"link-text\"> Museum space<\/span><span class=\"arrow\"><\/span><\/a><ul class=\"sub-menu\"><li id=\"menu-item-7568\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7568\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/entrance-room\/\"><span class=\"link-text\"> Entrance room<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7547\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7547\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/museum-space\/permanent-exhibition\/\"><span class=\"link-text\"> Permanent exhibition<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7569\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7569\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/museum-space\/other-spaces\/\"><span class=\"link-text\"> Other spaces<\/span><span class=\"arrow\"><\/span><\/a><\/li><\/ul><\/li><li id=\"menu-item-7583\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children 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 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 class=\"arrow\"><\/span><\/a><\/li><\/ul><\/li><li id=\"menu-item-7718\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-7718\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/metrological-reforms-of-the-modern-era\/\"><span class=\"link-text\"> Metrological reforms of the modern era<\/span><span class=\"arrow\"><\/span><\/a><ul class=\"sub-menu\"><li id=\"menu-item-7717\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7717\"><a href=\"https:\/\/www.ipq.pt\/en\/metrology-museum\/weights-and-measures-in-portugal\/metrological-reforms-of-the-modern-era\/the-manueline-reform\/\"><span class=\"link-text\"> The Manueline reform<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-7716\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-7716\"><a 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;\">CALIBRATION BALANCE OF THE BROTHERHOOD OF ST.\u00a0ELOY<\/h2><\/div><div class=\"fusion-text fusion-text-1 template-1-text\" style=\"--awb-margin-top:20px;\"><p><span data-contrast=\"auto\">On the entrance floor of Building A of IPQ, in front of the elevators,<\/span><span data-contrast=\"auto\">\u00a0near the Metrology Museum,<\/span><span data-contrast=\"auto\">\u00a0we can see one of the most important pieces under IPQ&#8217;s custody: the calibration balance of the Brotherhood of St. Eloy).<\/span><\/p>\n<p><span data-contrast=\"auto\">This piece, of great beauty, is inside a wooden cabinet, from the 18th century.<\/span><span data-contrast=\"auto\">\u00a0It\u00a0<\/span><span data-contrast=\"auto\">has<\/span><span data-contrast=\"auto\"> a wooden column with a quadrangular section, bearing a plaque showing a few inscriptions. The 2 pans were initially suspended by strings made of green twisted silk.<\/span><\/p>\n<p><span data-contrast=\"auto\">The balance<\/span><span data-contrast=\"auto\">\u00a0sits inside a wooden cabinet with diamond-patterned glass doors. The cabinet measures (1.60 x 0.66 x 2.90)<\/span><span data-contrast=\"auto\">\u00a0<\/span><span data-contrast=\"auto\">m and has 3 iron locks. The section below has doors where the weights are kept.<\/span><\/p>\n<p><span data-contrast=\"auto\">The suspension of the pans is now made of metal. The scale is set to oscillate by the usual system of the day \u2013 a cord with tassels that serve as brakes.\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Th<\/span><span data-contrast=\"auto\">is<\/span><span data-contrast=\"auto\">\u00a0balance was described in the inventory of January 5, 1788:<\/span><\/p>\n<p><span data-contrast=\"auto\">&#8220;One arm of the large balance bearing a label inscribed with silver letters, brass pans and green silk strings, and with two rests made of\u00a0<\/span><span data-contrast=\"auto\">b<\/span><span data-contrast=\"auto\">razil<\/span><span data-contrast=\"auto\">wood<\/span><span data-contrast=\"auto\">\u00a0with its golden-brass rings that are for putting under the pans.&#8221;<\/span><\/p>\n<p><span data-contrast=\"auto\">The range of the balance must have been 1\u00a0<\/span><i><span data-contrast=\"auto\">quintal<\/span><\/i><span data-contrast=\"auto\">, i.e., 4\u00a0<\/span><i><span data-contrast=\"auto\">arrobas<\/span><\/i><span data-contrast=\"auto\">, and its sensitivity goes from 0.49 g for a load of 1\u00a0<\/span><i><span data-contrast=\"auto\">ounce<\/span><\/i><span data-contrast=\"auto\">\u00a0to 1.66 g for a load of 1\u00a0<\/span><i><span data-contrast=\"auto\">arroba<\/span><\/i><span data-contrast=\"auto\">.<\/span><span data-contrast=\"auto\">\u202f<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-2 template-1-text\"><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":58,"featured_media":0,"parent":7348,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"class_list":["post-7814","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages\/7814","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=7814"}],"version-history":[{"count":6,"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages\/7814\/revisions"}],"predecessor-version":[{"id":18387,"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages\/7814\/revisions\/18387"}],"up":[{"embeddable":true,"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/pages\/7348"}],"wp:attachment":[{"href":"https:\/\/www.ipq.pt\/en\/wp-json\/wp\/v2\/media?parent=7814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}