PDF Books in Technology & Engineering Inventions
The Invention of the Sewing Machine
by Grace Rogers CooperThe Invention of the Sewing Machine is a book about one of the most important inventions of 19th century written by Grace Rogers Cooper, curator of Smithsonian Institution remembered for her works of Thirteen-Star Flags: Keys to Identification and The Invention of the Sewing Machine. This book explores the birth of Sewing machine, which pioneere..
Time Telling through the Ages
by Harry Chase BrearleyTime Telling through the Ages is a book written by Harry Chase Brearley which explores the historical evolution of Time in various eras. The readers can find interesting facts about how human calculated the time in various era right from stone age. Preface by the authorIn the midst of the world war, when ordinary forms of celebration see..
The Wright Brothers
by AnonymousThe story of the Wright brothers is an inspiring narrative of success. Wilbur and Orville combined to a rare degree the searching intelligence of the scientist, the ability to visualize of the inventor, and the practical craftsmanship of the builder. In addition they had great personal courage.The Wright brothers were by no means the first who soug..