{"id":22282,"date":"2025-12-02T18:02:41","date_gmt":"2025-12-02T17:02:41","guid":{"rendered":"https:\/\/librairie-le-pas-sage.com\/?post_type=product&#038;p=22282"},"modified":"2025-12-02T18:07:46","modified_gmt":"2025-12-02T17:07:46","slug":"la-phototypogravure-a-demi-teintes","status":"publish","type":"product","link":"https:\/\/librairie-le-pas-sage.com\/en\/shop\/verfasser\/lettres\/la-phototypogravure-a-demi-teintes\/","title":{"rendered":"La Phototypogravure \u00e0 demi-teintes"},"content":{"rendered":"<p><em>La Phototypogravure \u00e0 demi-teintes. Manuel pratique des proc\u00e9d\u00e9s de demi-teintes, sur zinc et sur cuivre.<\/em><\/p>\n<p><strong>\u00c9dition originale fran\u00e7aise<\/strong> from <em>The Half-Tone Process: A Practical Manual of Photo-Engraving in Half-Tone on Zinc and Copper,\u00a0<\/em>premier trait\u00e9 consacr\u00e9 \u00e0 la phototypogravure \u00e0 demi-teintes, traduit de l'anglais par M. E. Cousin et publi\u00e9 dans la Biblioth\u00e8que Photographique.<\/p>\n<p>L'ouvrage est illustr\u00e9 de nombreuses vignettes in-texte et de 3 planches, reproductions de photogravures sur cuivre, laiton et zinc.<\/p>\n<p>La phototypogravure \u00e0 demi-teintes permet de reproduire les nuances de gris de la photographie ou du dessin au crayon : l'image est \"grain\u00e9e\" (ou transform\u00e9e en une multitude de points) par interposition entre la plaque sensible et l'objectif d'un r\u00e9seau de lignes fines. L'auteur propose ici une am\u00e9lioration de l'outillage \u2014 un \u00e9cran de verre portant des lignes trac\u00e9es m\u00e9caniquement plut\u00f4t qu'une trame de gaze aux r\u00e9sultats irr\u00e9guliers \u2014 et d\u00e9taille l'am\u00e9nagement de l'atelier, puis la mise en oeuvre de l'atelier.<\/p>\n<p>Bel exemplaire dans sa brochure d'origine.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00c9dition originale fran\u00e7aise<br \/>\nNice copy in paperback<\/p>","protected":false},"featured_media":22405,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"boutique":[198],"cat_gallery":[],"product_brand":[],"product_cat":[407,1661],"product_tag":[],"class_list":["post-22282","product","type-product","status-publish","has-post-thumbnail","theme-lettres","auteurs-verfasser","boutique-librairie","catalogue-salon-virtuel-dhiver-de-paris","editeur-gauthier-villards-et-fils","product_cat-arts","product_cat-science","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/product\/22282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/comments?post=22282"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/media\/22405"}],"wp:attachment":[{"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/media?parent=22282"}],"wp:term":[{"taxonomy":"boutique","embeddable":true,"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/boutique?post=22282"},{"taxonomy":"cat_gallery","embeddable":true,"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/cat_gallery?post=22282"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/product_brand?post=22282"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/product_cat?post=22282"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/librairie-le-pas-sage.com\/en\/wp-json\/wp\/v2\/product_tag?post=22282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}