{ "item_title" : "An Essay On Aerial Navigation, Pointing Out Modes Of Directing Balloons (1844)", "item_author" : [" Joseph Mac Sweeny "], "item_description" : "An Essay On Aerial Navigation, Pointing Out Modes Of Directing Balloons is a book written by Joseph Mac Sweeny in 1844. The book is an exploration of the concept of aerial navigation, which was a relatively new field of study during the time it was written. The author discusses the various modes of directing balloons, including the use of sails, oars, and rudders. The book also covers the physics of flight, including the principles of buoyancy and the effects of wind and air currents on balloon movement. In addition, the author provides a historical overview of the development of aerial navigation, from the earliest experiments with hot air balloons to the more recent innovations in dirigible airships. The book is written in a clear and concise style, making it accessible to both experts in the field and lay readers interested in the subject. Overall, An Essay On Aerial Navigation, Pointing Out Modes Of Directing Balloons is a valuable resource for anyone interested in the history and science of flight.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://covers3.booksamillion.com/covers/bam/1/43/677/107/1436771072_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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