{"id":2641,"date":"2012-08-14T06:39:59","date_gmt":"2012-08-14T06:39:59","guid":{"rendered":"http:\/\/newsinteractive.post-gazette.com\/thedigs\/?p=2641"},"modified":"2015-01-07T17:32:32","modified_gmt":"2015-01-07T22:32:32","slug":"may-25-1952-this-unusual-spiral-staircase-served","status":"publish","type":"post","link":"https:\/\/newsinteractive.post-gazette.com\/thedigs\/2012\/08\/14\/may-25-1952-this-unusual-spiral-staircase-served\/","title":{"rendered":"Twisted Carnegie Building"},"content":{"rendered":"<div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"800\" data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;https:\\\/\\\/newsinteractive.post-gazette.com\\\/thedigs\\\/2012\\\/08\\\/14\\\/may-25-1952-this-unusual-spiral-staircase-served\\\/&quot;,&quot;likes_blog_id&quot;:80752127}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 800px; height: 1224px;\" data-original-width=\"800\" data-original-height=\"1224\" > <div class=\"gallery-group images-1\" style=\"width: 800px; height: 1224px;\" data-original-width=\"800\" data-original-height=\"1224\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"https:\/\/newsinteractive.post-gazette.com\/thedigs\/2012\/08\/14\/may-25-1952-this-unusual-spiral-staircase-served\/attachment\/2642\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"796\"> <meta itemprop=\"height\" content=\"1220\"> <img data-attachment-id=\"2642\" data-orig-file=\"https:\/\/newsinteractive.post-gazette.com\/thedigs\/wp-content\/uploads\/2012\/08\/tumblr_m8pgamTvGk1rr5swxo1_1280.jpg\" data-orig-size=\"1253,1920\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/newsinteractive.post-gazette.com\/thedigs\/wp-content\/uploads\/2012\/08\/tumblr_m8pgamTvGk1rr5swxo1_1280.jpg?fit=195%2C300&#038;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/newsinteractive.post-gazette.com\/thedigs\/wp-content\/uploads\/2012\/08\/tumblr_m8pgamTvGk1rr5swxo1_1280.jpg?fit=668%2C1024&#038;ssl=1\" src=\"https:\/\/i0.wp.com\/newsinteractive.post-gazette.com\/thedigs\/wp-content\/uploads\/2012\/08\/tumblr_m8pgamTvGk1rr5swxo1_1280.jpg?w=796&#038;h=1220&#038;ssl=1\" width=\"796\" height=\"1220\" data-original-width=\"796\" data-original-height=\"1220\" itemprop=\"http:\/\/schema.org\/image\" title=\"\" alt=\"\" style=\"width: 796px; height: 1220px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div>\n<p><em><strong>May 25, 1952:<\/strong><\/em>\u00a0This unusual spiral staircase served the Carnegie Building, the headquarters of the Carnegie Steel Co. When completed in 1895, the Carnegie Building was the tallest office building in Pittsburgh, standing at 13 stories or about 200 feet. It was the first steel-framed skyscraper constructed in the city. The building, which had been located at 428 Fifth Ave., was demolished in 1952 \u2014 the year this photograph was taken \u2014 to allow for the expansion of what today is the Downtown Macy\u2019s store.<\/p>\n<p><em>(Post-Gazette Photo)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>It was the first steel-framed skyscraper constructed in Pittsburgh. <\/p>\n<p><a class='more-link' href='https:\/\/newsinteractive.post-gazette.com\/thedigs\/2012\/08\/14\/may-25-1952-this-unusual-spiral-staircase-served\/'>Look at the pictures<span class='screen-reader-text'>Twisted Carnegie Building<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":2642,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[945],"tags":[1196,972,1197,1046],"jetpack_publicize_connections":[],"acf":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/newsinteractive.post-gazette.com\/thedigs\/wp-content\/uploads\/2012\/08\/tumblr_m8pgamTvGk1rr5swxo1_1280.jpg?fit=1253%2C1920&ssl=1","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":493,"url":"https:\/\/newsinteractive.post-gazette.com\/thedigs\/2014\/07\/07\/the-t-j-keenan-building\/","url_meta":{"origin":2641,"position":0},"title":"The T.J. 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