{"id":646,"count":1,"description":"The diaphone was a noisemaking device best-known for its use as a foghorn: it could produce deep, powerful tones able to carry a long distance. Diaphones were also used at some fire stations and in other situations where a loud audible signal was required.\nThe diaphone horn was based directly on the organ stop of the same name invented by Robert Hope-Jones, creator of the Wurlitzer organ. Hope-Jones' design, based on the vibrations in air created by a slotted piston moving within a correspondingly slotted cylinder, was adapted and patented by Professor John Pell Northey of the University of Toronto, who added a secondary compressed air supply to the piston to power it on both forward and reverse strokes and create an even more powerful sound. The entire horn apparatus was driven by a compressor.\nTo manufacture the new equipment, Northey set up the Diaphone Signal Co. at Toronto in 1903. It manufactured a range of diaphone models: the large \"Type F\", which created a tone of about 250...","link":"https:\/\/www.visualbeatz.de\/?tag=diaphone","name":"Diaphone","slug":"diaphone","taxonomy":"post_tag","meta":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"The diaphone was a noisemaking device best-known for its use as a foghorn: it could produce deep, powerful tones able to carry a long distance. Diaphones were also used at some fire stations and in other situations where a loud audible signal was required. The diaphone horn was based directly on the organ stop of the same name invented by Robert Hope-Jones, creator of the Wurlitzer organ. Hope-Jones\u2018 design, based on the vibrations in air created by a slotted piston moving within a correspondingly slotted cylinder, was adapted and patented by Professor John Pell Northey of the University of Toronto, who added a secondary compressed air supply to the piston to power it on both forward and reverse strokes and create an even more powerful sound. The entire horn apparatus was driven by a compressor. To manufacture the new equipment, Northey set up the Diaphone Signal Co. at Toronto in 1903. It manufactured a range of diaphone models: the large \u201eType F\u201c, which created a tone of about 250\u2026\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"google-site-verification\" content=\"gxKdL1q7LEppaRQ2QBztH6OhQNpAdNq4AdgPqat7_fw\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.visualbeatz.de\/?tag=diaphone\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.8\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.visualbeatz.de#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.visualbeatz.de#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.visualbeatz.de\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.visualbeatz.de\\\/?tag=diaphone#listItem\",\"name\":\"Diaphone\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.visualbeatz.de\\\/?tag=diaphone#listItem\",\"position\":2,\"name\":\"Diaphone\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.visualbeatz.de#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"CollectionPage\",\"@id\":\"https:\\\/\\\/www.visualbeatz.de#collectionpage\",\"url\":\"https:\\\/\\\/www.visualbeatz.de\",\"name\":\"Diaphone | visualbeatz - people.music.photography.\",\"description\":\"The diaphone was a noisemaking device best-known for its use as a foghorn: it could produce deep, powerful tones able to carry a long distance. Diaphones were also used at some fire stations and in other situations where a loud audible signal was required. The diaphone horn was based directly on the organ stop of the same name invented by Robert Hope-Jones, creator of the Wurlitzer organ. Hope-Jones\\u2018 design, based on the vibrations in air created by a slotted piston moving within a correspondingly slotted cylinder, was adapted and patented by Professor John Pell Northey of the University of Toronto, who added a secondary compressed air supply to the piston to power it on both forward and reverse strokes and create an even more powerful sound. The entire horn apparatus was driven by a compressor. To manufacture the new equipment, Northey set up the Diaphone Signal Co. at Toronto in 1903. 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It manufactured a range of diaphone models: the large \u201eType F\u201c, which created a tone of about 250\u2026","canonical_url":"https:\/\/www.visualbeatz.de\/?tag=diaphone","robots":"max-image-preview:large","keywords":"","webmasterTools":{"google-site-verification":"gxKdL1q7LEppaRQ2QBztH6OhQNpAdNq4AdgPqat7_fw","miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/www.visualbeatz.de#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/www.visualbeatz.de#listItem","position":1,"name":"Home","item":"https:\/\/www.visualbeatz.de","nextItem":{"@type":"ListItem","@id":"https:\/\/www.visualbeatz.de\/?tag=diaphone#listItem","name":"Diaphone"}},{"@type":"ListItem","@id":"https:\/\/www.visualbeatz.de\/?tag=diaphone#listItem","position":2,"name":"Diaphone","previousItem":{"@type":"ListItem","@id":"https:\/\/www.visualbeatz.de#listItem","name":"Home"}}]},{"@type":"CollectionPage","@id":"https:\/\/www.visualbeatz.de#collectionpage","url":"https:\/\/www.visualbeatz.de","name":"Diaphone | visualbeatz - people.music.photography.","description":"The diaphone was a noisemaking device best-known for its use as a foghorn: it could produce deep, powerful tones able to carry a long distance. Diaphones were also used at some fire stations and in other situations where a loud audible signal was required. The diaphone horn was based directly on the organ stop of the same name invented by Robert Hope-Jones, creator of the Wurlitzer organ. Hope-Jones\u2018 design, based on the vibrations in air created by a slotted piston moving within a correspondingly slotted cylinder, was adapted and patented by Professor John Pell Northey of the University of Toronto, who added a secondary compressed air supply to the piston to power it on both forward and reverse strokes and create an even more powerful sound. The entire horn apparatus was driven by a compressor. To manufacture the new equipment, Northey set up the Diaphone Signal Co. at Toronto in 1903. It manufactured a range of diaphone models: the large \u201eType F\u201c, which created a tone of about 250\u2026","inLanguage":"de-DE","isPartOf":{"@id":"https:\/\/www.visualbeatz.de\/#website"},"breadcrumb":{"@id":"https:\/\/www.visualbeatz.de#breadcrumblist"}},{"@type":"Person","@id":"https:\/\/www.visualbeatz.de\/#person","name":"admin","image":{"@type":"ImageObject","@id":"https:\/\/www.visualbeatz.de#personImage","url":"https:\/\/secure.gravatar.com\/avatar\/d7c21f8aecd6a7e2bc43de095af64832ba4e06d090d4da1061b0ecaeecf7db1f?s=96&r=g","width":96,"height":96,"caption":"admin"}},{"@type":"WebSite","@id":"https:\/\/www.visualbeatz.de\/#website","url":"https:\/\/www.visualbeatz.de\/","name":"visualbeatz - people.music.photography.","description":"Fotos, Techno, House, Drum'n'bass, Dubstep &...","inLanguage":"de-DE","publisher":{"@id":"https:\/\/www.visualbeatz.de\/#person"}}]}},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.visualbeatz.de\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tDiaphone\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.visualbeatz.de"},{"label":"Diaphone","link":"https:\/\/www.visualbeatz.de\/?tag=diaphone"}],"_links":{"self":[{"href":"https:\/\/www.visualbeatz.de\/index.php?rest_route=\/wp\/v2\/tags\/646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.visualbeatz.de\/index.php?rest_route=\/wp\/v2\/tags"}],"about":[{"href":"https:\/\/www.visualbeatz.de\/index.php?rest_route=\/wp\/v2\/taxonomies\/post_tag"}],"wp:post_type":[{"href":"https:\/\/www.visualbeatz.de\/index.php?rest_route=%2Fwp%2Fv2%2Fposts&tags=646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}