 the year 1819 in science and technology involved some significant events, listed below. ==astronomy and space science== * johann franz encke computes the orbit of comet encke, identifying it as periodic. ==exploration== * february 19 â captain william smith in british merchant brig williams sights williams point, the northeast extremity of livingston island in the south shetlands, the first land discovered south of latitude 60Â° s. * october 15 â desolation island in the south shetland islands of the antarctic is discovered by captain william smith in the williams. * a british arctic expedition under william edward parry comprising hms hecla and hms griper reaches longitude 112Â°51' w in the northwest passage, the furthest west which will be attained by any single-season voyage for 150 years.journal of a voyage to discover a north-west passage. 1821. ==geology== * the geological society publishes a geological map of england & wales by g. b. greenough thumb|right|alt=greenough's geological map of england & wales published by the geological society 1819|geological map of england & wales by g.b greenough, published by the geological society, 1819 to rival william smith's famous geological map. ==medicine== * august â renÃ© laennec publishes de lâauscultation mÃ©diate ou traitÃ© du diagnostic des maladies des poumons et du coeur in paris, describing his invention of the stethoscope. * english physician john bostock publishes the first account of allergic rhinitis (in himself).bostock, john. "case of a periodical affection of the eyes and chest", presented to medical and chirurgical society of london. ==technology== * may 22 â  leaves port at savannah, georgia on a voyage to become the first steamship to cross the atlantic ocean, although only a fraction of the trip is made under steam. the ship arrives at liverpool, england, on june 20. * invention of the m1819 breech-loading flintlock using interchangeable parts by captain john h. hall of harpers ferry armory in the united states. ==inst
1819_in_science