{ "item_title" : "Polytechnisches Journal", "item_author" : [" Johann Gottfried Digler "], "item_description" : "Polytechnisches Journal, Volume 66 is a historical record of 19th-century technological and engineering advancements. Authored by Johann Gottfried Dingler, this volume offers a detailed look into the inventions, industrial arts, and scientific discoveries of the era. As a primary source, it provides invaluable insights for historians, researchers, and anyone interested in the evolution of technology and engineering. Explore the innovations that shaped the modern world through the pages of this classic journal.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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.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.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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://covers2.booksamillion.com/covers/bam/1/24/862/941/1248629418_b.jpg", "price_data" : { "retail_price" : "27.95", "online_price" : "27.95", "our_price" : "27.95", "club_price" : "27.95", "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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