The London Illustrated News Grand Panorama of the Great Exhibition of All Nations / London Illustrated News. 1851. [1 sheet on roll. Prefaced by diagrams 'shewing the fluctuations in the number of visitors, as affected by different days of the week, different scale of payment, rain and heat of the building'; 'shewing the relative fluctuations of different days of the week'; 'shewing the number of visitors actually in the building at every hour on three separate days'. Bears signature of Henry P. Owen, Royal Engineers 28 Feb 1852]