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
Today is Friday Muscular Christianity. Being one of Hemingway's lesser known works, "Today is Friday" has not been subject to much criticism, scholarly or otherwise. It has been treated as a "puzzling" work by Hemingway, lending mostly to the question of genre. Joseph M. Flora notes that this confusion spurs from the work being included in two of Hemingway's short story collections: Men Without Women and The Fifth Column and the First Forty-Nine Stories, thus treating it as a short story despite clearly being written in the form of a play. The most scolding criticism of the play came from Carlos Baker in