{ "item_title" : "A Catechism Of The Steam Engine", "item_author" : [" John Bourne "], "item_description" : "A Catechism of the Steam Engine is a comprehensive guide to the principles and workings of steam engines written by John Bourne. The book covers a wide range of topics related to steam engines, including the history of their development, the different types of engines and their components, the principles of combustion and heat transfer, and the practical aspects of engine design and operation. The book is written in a question-and-answer format, making it easy to follow and understand, and includes numerous illustrations and diagrams to aid in comprehension. This classic work is a valuable resource for anyone interested in the history and technology of steam engines, from students and engineers to hobbyists and enthusiasts.Q.--What is meant by latent heat? A.--By latent heat is meant the heat existing in bodies which is not discoverable by the touch or by the thermometer, but which manifests its existence by producing a change of state. Heat is absorbed in the liquefaction of ice, and in the vaporization of water, yet the temperature does not rise during either process, and the heat absorbed is therefore said to become latent. The term is somewhat objectionable, as the effect proper to the absorption of heat has in each case been made visible; and it would be as reasonable to call hot water latent steam.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://covers2.booksamillion.com/covers/bam/1/16/264/775/1162647752_b.jpg", "price_data" : { "retail_price" : "31.95", "online_price" : "31.95", "our_price" : "31.95", "club_price" : "31.95", "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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