{ "item_title" : "Solution Of Railroad Problems By The Slide Rule (1913)", "item_author" : [" E. R. Cary "], "item_description" : "Solution of Railroad Problems by the Slide Rule is a technical manual written by E.R. Cary and published in 1913. The book is a comprehensive guide to using the slide rule to solve mathematical problems related to railroads. It covers a wide range of topics, including the calculation of train speeds, the determination of track grades, the computation of train braking distances, and the estimation of engine horsepower. The book is aimed at railroad engineers and other professionals who need to perform complex calculations quickly and accurately. The text includes detailed explanations of how to use the slide rule, as well as numerous examples and practice problems. Overall, Solution of Railroad Problems by the Slide Rule is a valuable resource for anyone involved in the design, construction, or operation of railroads in the early 20th century.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/1/16/408/605/1164086057_b.jpg", "price_data" : { "retail_price" : "23.95", "online_price" : "23.95", "our_price" : "23.95", "club_price" : "23.95", "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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