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.
And/or way to indicate inclusive or. Kenneth Adams, lecturer at Pennsylvania Law School and Alan Kaye, professor of linguistics at California State University, wrote, "It does, after all, have a specific meaning—X and/or Y means X or Y or both." The legal usage authority Bryan A. Garner stated that use of the term is particularly harmful in legal writing because a bad-faith reader of a contract can pick whichever suits them, the "and" or the "or." Courts called on to interpret it have applied a wide variety of standards, with little agreement. And/or And/or (also and or) is a grammatical conjunction