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A London Fog

A London Fog image
Parent Issue
Public Domain
OCR Text

■Fifty yeais ao, when we lirst became acquainted with thfin, Lüiidon fugs were Dad enough; but they were on a comparutively liuiited soale. They htavesinceaitained marvelously grand dimensiors and intensity.aeeoiding to the increase ei housts and population. What wb ordinarily cali London, but is müre correctly styled ihe Metropolis, has spread and spread, till it covers a space of 120 square miles. In the winter montlis every honso has a coalfire, some of them two, thrce, or four; and there arenumerous manufactories and pub'ic worka with furnaces and tall chimneys, all of which ltss or moro emit quantities of smoke. Thih smoke mingles with what fog thero happens ti) be, and produces a curious niixtuie, tliatisuow ouly beginning to berightly understood. Like every othcr mist, the fog which rises and is waft d along tlie vülley of th! Thames is coraposed oí filial] partich s of water, that ought properly to be dissipated by the action of Ihe sun's heat. Only with diiUeulty is tne sun able to undertake the duty. The srnokepoured out f rom hundreds ot thousands of chimney do!S not tnerely mix with the fog. It coat each watery partiële with a tairy, cily iiliii, giving it an unnatural character, and preserving it, so tospeak, from iiumediate dispersión. A gcnuine Loadoñ íog, therefore, s souiLlbing more Oían a fog. It 8 i jirodiiot sly largH volume of mist, heM in a kuA of tlinddoni by oleaginous ingreUionis floated í'rom the tps of ebimneys. When we say oletigiuouB, we, íor convenience, take the readiest word to yxpress a condition that would involve some chemical explanations, which need not b eone uto. ívery (me will uaderstand thaí the smoke from t!ie opal lires someliow imites inextrlcably wiih Ihe p rtic es of íuist, and keej'S tho wliole thing hovering in i dt-nse


Old News
Ann Arbor Democrat