{ "item_title" : "The Transition-Curve Fieldbook (1891)", "item_author" : [" Conway R. Howard "], "item_description" : "The Transition-Curve Fieldbook, written by Conway R. Howard in 1891, is a comprehensive guide for civil engineers and surveyors on designing and laying out transition curves for railroads. The book provides detailed instructions on how to calculate the necessary parameters for transition curves, including the degree of curvature, the length of the curve, and the superelevation required for safe and efficient train travel. The author also includes practical advice on how to measure and mark out these curves in the field, using tools such as the transit and stadia rod. In addition to technical information, the book includes numerous diagrams and illustrations to help readers visualize the concepts presented. The Transition-Curve Fieldbook remains a valuable resource for anyone involved in railroad engineering or construction, as well as students of civil engineering and surveying.Containing Full Instructions For Adjusting And Locating A Curve Nearly Identical With The Cubic Parabola In Transition Between Any Circular Railroad Curve And Tangent.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/1/10/440/412/1104404125_b.jpg", "price_data" : { "retail_price" : "22.95", "online_price" : "22.95", "our_price" : "22.95", "club_price" : "22.95", "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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