{"id":1715,"date":"2011-12-19T11:35:17","date_gmt":"2011-12-19T09:35:17","guid":{"rendered":"http:\/\/www.retro.co.za\/blog\/?p=1715"},"modified":"2011-12-19T18:07:06","modified_gmt":"2011-12-19T16:07:06","slug":"mystery-object","status":"publish","type":"post","link":"https:\/\/www.retro.co.za\/blog\/?p=1715","title":{"rendered":"Mystery object"},"content":{"rendered":"<p>Long story short, my Father in Law ended up with Marconi Instruments Ltd No 1 Mark II* signal generator and a dozen boxes of assorted parts. I&#8217;d guess it was an <a href=\"http:\/\/www.hamuniverse.com\/elmer.html\">Elmer<\/a>&#8216;s <a href=\"http:\/\/en.wikipedia.org\/wiki\/Junk_box\">Junkbox<\/a>.<\/p>\n<p><a href=\"http:\/\/www.retro.co.za\/blog\/wp-content\/uploads\/2011\/12\/P1250606.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1716\" title=\"P1250606\" src=\"http:\/\/www.retro.co.za\/blog\/wp-content\/uploads\/2011\/12\/P1250606-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.retro.co.za\/blog\/wp-content\/uploads\/2011\/12\/P1250606-300x225.jpg 300w, https:\/\/www.retro.co.za\/blog\/wp-content\/uploads\/2011\/12\/P1250606-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Can&#8217;t find any information on this on the web. Marked IN 2631 and SI 7545, my best guess is that it might be a solid-state rectifier intended to replace a vacuum tube.<\/p>\n<p>So if Google brings you here and you know more&#8230; that&#8217;s what the comments are for.<\/p>\n<p>Edit: It&#8217;s a <a href=\"http:\/\/www.radiomuseum.org\/tubes\/tube_1n2631.html\">ONE N 2631<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Long story short, my Father in Law ended up with Marconi Instruments Ltd No 1 Mark II* signal generator and a dozen boxes of assorted parts. I&#8217;d guess it was an Elmer&#8216;s Junkbox. Can&#8217;t find any information on this on the web. Marked IN 2631 and SI 7545, my best guess is that it might be a solid-state rectifier intended to replace a vacuum tube. So if Google brings you here and you know more&#8230; that&#8217;s what the comments are for. Edit: It&#8217;s a ONE N 2631.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75],"tags":[],"class_list":["post-1715","post","type-post","status-publish","format-standard","hentry","category-electronics"],"_links":{"self":[{"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1715","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1715"}],"version-history":[{"count":4,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1715\/revisions"}],"predecessor-version":[{"id":1718,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1715\/revisions\/1718"}],"wp:attachment":[{"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.retro.co.za\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}