{"id":621528,"date":"2026-01-18T20:55:32","date_gmt":"2026-01-18T19:55:32","guid":{"rendered":"https:\/\/cronologia-universale.it\/april-1887\/"},"modified":"2026-01-18T20:55:32","modified_gmt":"2026-01-18T19:55:32","slug":"1870-16","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1870-16\/","title":{"rendered":"1870"},"content":{"rendered":"

Antonio Meucci demonstrated the functioning of a device called the teletrophone, the operating principle of the telephone. He patented it but did not renew it, which was instead exploited by Bell. In 2002, the U.S. Congress recognized Meucci’s paternity of the invention.<\/p>\n","protected":false},"excerpt":{"rendered":"

Antonio Meucci demonstrated the functioning of a device called the teletrophone, the operating principle of…<\/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":[34],"tags":[],"class_list":["post-621528","post","type-post","status-publish","format-standard","hentry","category-e-en"],"acf":[],"yoast_head":"\n1870 - 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\/1870-16\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1870 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"Antonio Meucci demonstrated the functioning of a device called the teletrophone, the operating principle of...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cronologia-universale.it\/en\/1870-16\/\" \/>\n<meta property=\"og:site_name\" content=\"Cronologia Universale\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-18T19:55:32+00:00\" \/>\n<meta name=\"author\" content=\"Rick\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rick\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cronologia-universale.it\/en\/1870-16\/\",\"url\":\"https:\/\/cronologia-universale.it\/en\/1870-16\/\",\"name\":\"1870 - 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