Diethyl ether of vitriol" ("oleum dulce vitrioli")—the name reflects the fact that it is obtained by distilling a mixture of ethanol and sulfuric acid (then known as oil of vitriol)—and noted some of its medicinal properties. At about the same time, Paracelsus discovered ether's analgesic properties in chickens. The name "ether" was given to the substance in 1729 by August Sigmund Frobenius. Diethyl ether Diethyl ether, or simply ether, is an organic compound in the ether class with the formula , sometimes abbreviated as (see Pseudoelement symbols). It is a colorless, highly volatile flammable liquid. It is commonly used as a solvent
What Is History? of change. If you are allergic to these processes, you abandon history and take cover in the social sciences. Today anthropology, sociology, etc, flourish. History is sick. But then our society too is sick". Carr deplored the rise of Structuralism. Carr wrote there was the structuralist approach, which Carr called a "horizontal" way of understanding history "which analyses a society in terms of the functional or structural inter-relation of its parts". Against it, there was what Carr called the "vertical" approach "which analyses it [society] in terms of where it has come from and where it is going". Through Carr