{ "item_title" : "Motor Control As Used In Connection With Turret Turning And Gun Elevating (the Ward Leonard System) By Andrew Olsson", "item_author" : [" Andrew Olsson "], "item_description" : "This book is a technical manual on motor control systems used in conjunction with turret turning and gun elevating machinery. The book covers the Ward Leonard system, which was a popular system for these applications in the early 1900s. The book provides a detailed explanation of the system and its components, as well as practical information on installation and maintenance.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/1/02/011/028/1020110287_b.jpg", "price_data" : { "retail_price" : "26.95", "online_price" : "26.95", "our_price" : "26.95", "club_price" : "26.95", "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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