{"id":621697,"date":"2026-01-18T21:01:06","date_gmt":"2026-01-18T20:01:06","guid":{"rendered":"https:\/\/cronologia-universale.it\/1896-4\/"},"modified":"2026-01-18T21:01:06","modified_gmt":"2026-01-18T20:01:06","slug":"august-1879","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/august-1879\/","title":{"rendered":"August 1879"},"content":{"rendered":"<p>In August 1879, Thomas Alva Edison hired Ludwig B\u00f6hm as a glassblower for his light bulbs. B\u00f6hm developed many of Edison&#8217;s first light bulbs. Bohm arrived from Germany, played the zither, wore a red cap from a German university, and sang Alpine yodels in his spare time. The light bulbs were then passed to Francis Jehl, who created the vacuum inside the bulbs, first with his own lungs and then with Geissler and Sprengel pumps, before sealing the bulb with a blowtorch. The vacuum inside the bulb reached 0.00001 atmospheres.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In August 1879, Thomas Alva Edison hired Ludwig B\u00f6hm as a glassblower for his light&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-621697","post","type-post","status-publish","format-standard","hentry","category-fc-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>August 1879 - Cronologia Universale<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cronologia-universale.it\/en\/august-1879\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"August 1879 - 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