{"id":8356,"date":"2024-01-18T17:02:54","date_gmt":"2024-01-18T16:02:54","guid":{"rendered":"https:\/\/hakaora.com\/?post_type=product&#038;p=8356"},"modified":"2024-01-18T17:16:56","modified_gmt":"2024-01-18T16:16:56","slug":"canne-de-mesures","status":"publish","type":"product","link":"https:\/\/hakaora.com\/en\/product\/canne-de-mesures\/","title":{"rendered":"Canne de mesures"},"content":{"rendered":"<p>une canne en bois fonc\u00e9 de 43 pouces de long. Une inspection minutieuse montre des marques sur toute la longueur du fut. Assez difficile \u00e0 lire en raison de l&rsquo;\u00e2ge (pas d&rsquo;entailles ni de coups) mais toujours d\u00e9chiffrable. Ce sont deux \u00e9chelles de 0 \u00e0 42 \u00e0 des intervalles de 1 pouce et de 0 \u00e0 160 \u00e0 des intervalles toujours d\u00e9croissants.<br \/>\nIl porte \u00e9galement les inscriptions suivantes : \u00ab J LONG MAKER 43 EASTCHEAP LONDON.<br \/>\n(Joseph Long \u00e9tait un fabricant actif d&rsquo;instruments math\u00e9matiques, optiques, de r\u00e8gles \u00e0 calcul et d&rsquo;hydrom\u00e8tres tr\u00e8s connu qui faisait du commerce au 20 Little Tower St. (1821-84) et au 43 East Cheap (1885-1936) Londres, Angleterre).<br \/>\nLa relation entre les deux \u00e9chelles n\u2019est pas \u00e9vidente. Cependant en dessinant un graphique d&rsquo;une \u00e9chelle par rapport \u00e0 l&rsquo;autre (0-42 verticalement et 1-160 horizontalement), on aboutit \u00e0 ce qui semble \u00eatre un quart d&rsquo;ellipse.<br \/>\nAinsi, la canne peut \u00eatre utilis\u00e9e pour tracer des ellipses de n&rsquo;importe quelle taille.<br \/>\nLa canne pouvait servir des dessins architecturaux\/techniques, \u00e0 l&rsquo;implantation d&rsquo;arcs dans des b\u00e2timents en passant par des parterres de fleurs ornementaux de forme elliptique !<br \/>\nIl s&rsquo;agit donc d&rsquo;un objet tr\u00e8s astucieux dont l&rsquo;utilisation pourrait facilement \u00eatre n\u00e9glig\u00e9e.<\/p>","protected":false},"excerpt":{"rendered":"<p>C 4<\/p>","protected":false},"featured_media":8357,"template":"","meta":[],"product_brand":[],"product_cat":[75,42],"product_tag":[],"class_list":{"0":"post-8356","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-c-4-350-a-500-e","7":"product_cat-mesure","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/product\/8356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/product\/8356\/revisions"}],"predecessor-version":[{"id":8358,"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/product\/8356\/revisions\/8358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/media\/8357"}],"wp:attachment":[{"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/media?parent=8356"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/product_brand?post=8356"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/product_cat?post=8356"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hakaora.com\/en\/wp-json\/wp\/v2\/product_tag?post=8356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}