{ "item_title" : "Automating the Northern Line", "item_author" : [" Owen Smithers "], "item_description" : "A fascinating journey through the automation of London's iconic Northern Line.In the mid-1950s, the Northern Line of the London Underground was on the cusp of a major transformation: automation. Automating the Northern Line tells the story of this upgrade from manual operation to a fully automated system. Explore the challenges and triumphs of this modernization through the eyes of a signalman and regulating room operator who lived it.Discover the technology, test machinery, and the human element involved in this groundbreaking project. This is a must-read for railway enthusiasts, history buffs, and anyone curious about the evolution of transportation. Learn how signalmen adapted to the new control systems and the impact on the line's operation.", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/1/44/565/482/1445654822_b.jpg", "price_data" : { "retail_price" : "19.95", "online_price" : "19.95", "our_price" : "19.95", "club_price" : "19.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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