{"id":8193,"date":"2021-03-15T08:43:00","date_gmt":"2021-03-14T21:43:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2021\/03\/15\/aladdins-lamp-the-vacuum-tube-aka-the-thermatron-video\/"},"modified":"2021-03-15T08:43:00","modified_gmt":"2021-03-14T21:43:00","slug":"aladdins-lamp-the-vacuum-tube-aka-the-thermatron-video","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2021\/03\/15\/aladdins-lamp-the-vacuum-tube-aka-the-thermatron-video\/","title":{"rendered":"Aladdin&#8217;s Lamp == The Vacuum Tube (aka The Thermatron) (Video)"},"content":{"rendered":"<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" frameborder=\"0\" height=\"247\" src=\"https:\/\/www.youtube.com\/embed\/_-JzxX75oYc\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div><b>After our posting of the video about 1957 transistor production, our friend Peter O&#8217;Connell VK2EMU asked for some equal time for vacuum tubes. He sent me this 1940 Western Electric video. It is quite interesting. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>&#8212; I like the Aladdin&#8217;s lamp metaphor. When I was out in the Azores I thought of my homebrew 17 meter DSB rig as my &#8220;magic carpet.&#8221; <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>&#8212; Lowell Thomas was brought in to narrate. His voice sounds a lot more natural than that used to narrate the transistor film. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>&#8212; To explain the effectiveness of transcontinental telephony with vacuum tube repeaters, they compared the system that of a relay of &#8220;hog callers&#8221; claiming that it would take 100,000 hog callers to carry a signal from New York to San Francisco. So perhaps this could be a rival to db? 100,000 hc? <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>&#8212; Arlington to Paris 1915 caught my eye &#8212; Arlington Va. is right down the road. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>&#8212; The film of Edison in his lab was good to see. And note the importance of his lab notebooks. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>&#8212; The explanation of thermionic emission was quite good. But of course too much credit was given to Lee DeForest. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>&#8212; The breathless description of the amazing uses of tube technology was for me a reminder of how recent this technology is. My father started as New York City cop in the 1950s. He always referred to his police car as a &#8220;radio car.&#8221; <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Hey, are any radio amateurs out there using one of those big water-cooled tubes? If not, why not? <\/b><\/div>\n","protected":false},"excerpt":{"rendered":"<p>After our posting of the video about 1957 transistor production, our friend Peter O&#8217;Connell VK2EMU asked for some equal time for vacuum tubes. He sent me this 1940 Western Electric video. It is quite interesting. &#8212; I like the Aladdin&#8217;s lamp metaphor. When I was out in the Azores I thought of my homebrew 17 &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2021\/03\/15\/aladdins-lamp-the-vacuum-tube-aka-the-thermatron-video\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Aladdin&#8217;s Lamp == The Vacuum Tube (aka The Thermatron) (Video)&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,154,31,387,101],"tags":[],"class_list":["post-8193","post","type-post","status-publish","format-standard","hentry","category-australia","category-evans-grayson","category-radio-history","category-tube","category-tubes"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/8193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=8193"}],"version-history":[{"count":0,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/8193\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=8193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=8193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=8193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}