{"id":68,"date":"2010-01-18T12:22:23","date_gmt":"2010-01-18T12:22:23","guid":{"rendered":"http:\/\/www.dwc.knaw.nl\/?page_id=68"},"modified":"2013-05-07T12:36:24","modified_gmt":"2013-05-07T10:36:24","slug":"eenheden","status":"publish","type":"page","link":"https:\/\/dwc.knaw.nl\/en\/biografie\/christiaan-huygensweb\/eenheden\/","title":{"rendered":"Historical units of measurement"},"content":{"rendered":"<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-1154\" style=\"border: 1px solid black; margin-top: 3px; margin-bottom: 3px;\" title=\"pict_sextant\" src=\"http:\/\/www.dwc.knaw.nl\/wp-content\/uploads\/pict_sextant.jpg\" alt=\"\" width=\"550\" height=\"200\" \/><\/p>\n\n<p>The systems of weights and measures used in the Dutch Republic during  the seventeenth century were very different to the metric system of  today, which was only implemented in the Netherlands at the beginning of  the 19th century. The monetary system was different too, and even the  calculation of time was something of a challenge in those days.<\/p>\n\n<p>Not  only in Europe, but in the Republic too, a wide range of measurement  and weight systems were used that were sometimes comparable, but more  often were very different from each other.<br \/><br \/>\nA number of measurement  and weight systems with which Christiaan Huygens had to work are listed  below, including the conversion to the current metric system.<\/p>\n\n<ul>\n    <li><a href=\"http:\/\/www.dwc.knaw.nl\/biografie\/christiaan-huygensweb\/eenheden\/lengtematen\/\">Units of length<\/a><\/li>\n    <li><a href=\"http:\/\/www.dwc.knaw.nl\/biografie\/christiaan-huygensweb\/eenheden\/gewichtsmaten\/\">Units of weight<\/a><\/li>\n    <li><a href=\"http:\/\/www.dwc.knaw.nl\/biografie\/christiaan-huygensweb\/eenheden\/geld-en-munten\/\">Money and coins<\/a><\/li>\n    <li><a href=\"http:\/\/www.dwc.knaw.nl\/biografie\/christiaan-huygensweb\/eenheden\/kalender-en-tijdrekening\">Calendar and time calculation<\/a><\/li>\n    <li><a href=\"http:\/\/www.dwc.knaw.nl\/biografie\/christiaan-huygensweb\/eenheden\/literatuur\">Literature<\/a><\/li>\n<\/ul>\n\n<p>These pages are predominantly the work of\u00a0<a href=\"http:\/\/www.staff.science.uu.nl\/~gent0113\/\" target=\"_blank\">Rob van Gent<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The systems of weights and measures used in the Dutch Republic during the seventeenth century were very different to the metric system of today, which was only implemented in the Netherlands at the beginning of the 19th century. The monetary system was different too, and even the calculation of time was something of a challenge [&hellip;]<\/p>","protected":false},"author":4,"featured_media":0,"parent":58,"menu_order":7,"comment_status":"open","ping_status":"open","template":"","meta":{"_links_to":"","_links_to_target":""},"_links":{"self":[{"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/pages\/68"}],"collection":[{"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/comments?post=68"}],"version-history":[{"count":6,"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/pages\/68\/revisions"}],"predecessor-version":[{"id":6393,"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/pages\/68\/revisions\/6393"}],"up":[{"embeddable":true,"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/pages\/58"}],"wp:attachment":[{"href":"https:\/\/dwc.knaw.nl\/en\/wp-json\/wp\/v2\/media?parent=68"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}