Hardback. Pictorial cloth binding. Substantial book for general interest or older children / young adults explaining the engineering of the day. From battleship guns to blast furnaces, from locomotive engines to telewriters, from the motor car to the telephone, this covers a huge range of Edwardian technology, engineering and mechanics. Colour frontis and over 130 further illustrations. Olive cloth with gilt titles to front and spiine and colour pictorial decoration to front and to spine which has a lovely locomotive on it. Upper board is slightly bowed. Few tiny white smudges to the front. Softened to spine ends. Scattered foxing within. Remains of a blue label to endpaper. Clean and sound.