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joseph jackson lister

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Joseph Jackson Lister – Perfecting the Optical Microscope

Joseph Jackson Lister – Perfecting the Optical Microscope

Tabea Tietz
On January 11, 1786, British amateur opticist and physicist Joseph Jackson Lister was born. In 1826, Lister designed possibly the most important optical microscope ever made. It used an achromatic objective lens corrected for chromatic and spherical aberrations, the resulting image was at the time the clearest produced by any microscope. Joseph Jackson Lister – Family Background Joseph Jackson Lister was the son of a London wine merchant and Quaker. He attended school until 1800 and was then…
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medical science
Sir James Young Simpson and the Use of Chloroform

Sir James Young Simpson and the Use of Chloroform

Harald Sack
On November 12, 1847, Scottish obstetrician and important figure in the history of medicine Sir James Young Simpson published his self trial experiments with the new anesthetic chloroform. “All pain is per se and especially in excess, destructive and ultimately fatal in its nature and effects.” – James Young Simpson James Young Simpson – Early Years Simpson was born in Bathgate near Edinburg, West Lothian, Scotland, as the seventh son and eighth child of an impecunious baker. Simpson attended the University of Edinburgh…
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