Techniques of the observer :：On vision and modernity in the nineteenth century / On vision and modernity in the nineteenth century / Dangerous liaisons :：fashion and furniture in the eighteenth century / Shen Pao-chen and China's modernization in the nineteenth century / Shen Pao-chen and China's modernization in the nineteenth century The riddle of the universe：at the close of the nineteenth century Wages in the United Kingdom in the nineteenth century :