{"id":13710,"date":"2019-01-22T07:02:43","date_gmt":"2019-01-22T11:02:43","guid":{"rendered":"http:\/\/phsc.ca\/camera\/?p=13710"},"modified":"2019-01-21T21:20:46","modified_gmt":"2019-01-22T01:20:46","slug":"lighting-up-history","status":"publish","type":"post","link":"https:\/\/phsc.ca\/camera\/lighting-up-history\/","title":{"rendered":"lighting up history"},"content":{"rendered":"<div id=\"attachment_13712\" style=\"width: 235px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/phsc.ca\/camera\/wp-content\/uploads\/2019\/01\/Screen-Shot-2019-01-21-at-7.50.26-PM.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-13712\" class=\"size-full wp-image-13712\" src=\"http:\/\/phsc.ca\/camera\/wp-content\/uploads\/2019\/01\/Screen-Shot-2019-01-21-at-7.53.07-PM-sm.jpg\" alt=\"\" width=\"225\" height=\"154\" \/><\/a><p id=\"caption-attachment-13712\" class=\"wp-caption-text\">Glass plate- click for reversal<\/p><\/div>\n<p><strong>Toronto<\/strong>. Around a century ago and earlier, cameras used glass plates to hold the sensitive media. Since the luminance values were reversed, the image on the plate was a negative. To view the image you needed an educated eye, and a light box to evenly illuminate the negative.<\/p>\n<p>Today we have oodles of discarded monitors using thin fluorescent tube for even lighting across the entire screen. Member Harold Staats came across <a href=\"https:\/\/www.youtube.com\/watch?v=8x0KGjDVrUU&amp;feature=youtu.be\">this Youtube video<\/a> showing how one person created a modern light box from a discarded c2002 Windows monitor.<\/p>\n<p>Watch it and see how you can turn a piece of old computer gear into a useful light box so you can see and photograph the old glass plate negatives you unearthed at one of our fairs or auctions!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Toronto. Around a century ago and earlier, cameras used glass plates to hold the sensitive media. Since the luminance values were reversed, the image on the plate was a negative. To view the image you needed an educated eye, and &hellip; <a href=\"https:\/\/phsc.ca\/camera\/lighting-up-history\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1944],"tags":[563,2405,2121,977],"class_list":["post-13710","post","type-post","status-publish","format-standard","hentry","category-history","tag-glass-plate","tag-light-box","tag-negative","tag-youtube"],"_links":{"self":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/13710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/comments?post=13710"}],"version-history":[{"count":2,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/13710\/revisions"}],"predecessor-version":[{"id":13714,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/13710\/revisions\/13714"}],"wp:attachment":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/media?parent=13710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/categories?post=13710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/tags?post=13710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}