{"id":143,"date":"2013-02-09T21:28:48","date_gmt":"2013-02-09T21:28:48","guid":{"rendered":"http:\/\/www.sadietierney.co.uk\/blog\/?p=143"},"modified":"2013-02-09T21:28:48","modified_gmt":"2013-02-09T21:28:48","slug":"printing-lithographs","status":"publish","type":"post","link":"http:\/\/sadietierney.co.uk\/blog\/printing-lithographs\/","title":{"rendered":"Printing Lithographs"},"content":{"rendered":"<p>Printing a lithograph of Le Mont Saint Michel, one of a series of drawings made in France on discontinued paper litho plates&#8230; The readymixed solution for printing them had gone mouldy, so after a consultation with Robin Smart (head lithography technician at the RCA) I developed this method which proved workable: &#8211;<\/p>\n<p>150ml gum arabic\/ 150ml tap water\/ 4 drops lemon juice for sensitising the plate, using a soft cotton rag rather than a sponge, then rolling the plate with litho ink (experimenting with adding a bit of magnesium sulphate). Re-charging the roller 3 times per print. For the edition, leave the lemon juice\/ citric acid out of the solution. The best prints are nos. 5-15 approximately. It is possible to obtain 20 pulls before the plate deteriorates, and the details start to fade.<\/p>\n<p>Thanks Robin!<\/p>\n<p><a href=\"http:\/\/www.sadietierney.co.uk\/blog\/wp-content\/uploads\/2013\/02\/gum.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-144\" title=\"gum arabic\" src=\"http:\/\/www.sadietierney.co.uk\/blog\/wp-content\/uploads\/2013\/02\/gum-300x241.jpg\" alt=\"\" width=\"300\" height=\"241\" \/><\/a><a href=\"http:\/\/www.sadietierney.co.uk\/blog\/wp-content\/uploads\/2013\/02\/gum2.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-145\" title=\"litho plate\" src=\"http:\/\/www.sadietierney.co.uk\/blog\/wp-content\/uploads\/2013\/02\/gum2-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" \/><\/a><a href=\"http:\/\/www.sadietierney.co.uk\/blog\/wp-content\/uploads\/2013\/02\/gum3.jpg\"><img decoding=\"async\" loading=\"lazy\" title=\"edition\" src=\"http:\/\/www.sadietierney.co.uk\/blog\/wp-content\/uploads\/2013\/02\/gum3-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" \/><\/a><\/p>\n<p><a href=\"http:\/\/www.sadietierney.co.uk\/blog\/wp-content\/uploads\/2013\/05\/20130530-214303.jpg\"><img decoding=\"async\" src=\"http:\/\/www.sadietierney.co.uk\/blog\/wp-content\/uploads\/2013\/05\/20130530-214303.jpg\" alt=\"20130530-214303.jpg\" class=\"alignnone size-full\" \/><\/a><\/p>\n<div id=\"facebook_like\"><iframe src=\"http:\/\/www.facebook.com\/plugins\/like.php?href=http%3A%2F%2Fsadietierney.co.uk%2Fblog%2Fprinting-lithographs%2F&amp;layout=standard&amp;show_faces=true&amp;width=500&amp;action=like&amp;font=segoe+ui&amp;colorscheme=light&amp;height=80\" scrolling=\"no\" frameborder=\"0\" style=\"border:none; overflow:hidden; width:500px; height:80px;\" allowTransparency=\"true\"><\/iframe><\/div>","protected":false},"excerpt":{"rendered":"<p>Printing a lithograph of Le Mont Saint Michel, one of a series of drawings made in France on discontinued paper litho plates&#8230; The readymixed solution for printing them had gone mouldy, so after a consultation with Robin Smart (head lithography technician at the RCA) I developed this method which proved workable: &#8211; 150ml gum arabic\/ [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22,25,35,39,40],"tags":[],"_links":{"self":[{"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/posts\/143"}],"collection":[{"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=143"}],"version-history":[{"count":0,"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/posts\/143\/revisions"}],"wp:attachment":[{"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=143"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sadietierney.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}