{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/f547f9fb-a077-4e85-b19a-beae9eb42c1f/67f0351e-c922-44e4-b96e-44f2f0922871?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"'Titanic in Miniature' - The Wonderful ss Shieldhall","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/60ef54d0d9e6df2b9131962b/60ef54e07f2d830012b6f421.jpg?height=200","description":"<p><a href=\"https://sam-willis.com/\" rel=\"noopener noreferrer\" target=\"_blank\">Dr Sam Willis</a> speaks with Graham Mackenzie, chief engineer of SS <em>Shieldhall</em>, one of the most fascinating ships in the UK's historic fleet. The <em>Shieldhall</em> is unique as a time capsule providing a working example of steamship machinery that operated ships in the oceans of the world from the 1870s for a century. In particular her triple-expansion steam engines, scotch boilers and steam-assisted steering gear is almost identical to that which was used in the Titanic - only in miniature. The episode is designed to give important (and entertaining) historical context to <a href=\"https://www.youtube.com/channel/UCHb82Zqlexe4QSb4wWX9Aeg/videos\" rel=\"noopener noreferrer\" target=\"_blank\">an animation we have created</a> showing exactly how the boilers and steam engine of the<em> Shieldhall</em> work.</p>","author_name":"The Society for Nautical Research and the Lloyds Register Foundation"}