Cloud atlas was published in 1802. It followed a similar effort in French by Jean-Baptiste Lamarck in 1801. Howard's nomenclature defined four fundamental types of clouds: cirrus or thread-cloud, cumulus or heap-cloud, stratus or flat cloud (level sheet), and nimbus or rain-cloud (see Classification of clouds). There followed a long period of development of the field of meteorology and the classification of clouds, leading up to 1896, the International Year of Clouds. The history of this period is the subject of a popular book, "The Invention of Clouds". During that time, the Englishmen Rev. Clement Ley and Hon. Ralph Abercromby, were influential.
Sheet vinyl flooring embossing and specific top coats; the appearance is duplicated using a print layer. Recent improvements in printing technology have made for higher-resolution images. A minority of sheet vinyl is printed with non-skeuomorphic designs; these may be drawn images resembling carpet patterns, or be photographic images such as rippled water, sand, or nebula images. Printable sheet vinyl flooring is now also available; it can be custom-printed by the manufacturer with any image file. This allows customization of the pattern to the dimensions of the room, and can include cutting lines for easy installation. Sheet vinyl flooring Sheet vinyl flooring is vinyl