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406. oldal
When his dividing it as it were into two rings , the inner object glass had a focal length of one hundred feet , one of which appeared brighter than the outer , how was an inflexible tube to be constructed of " with nearly the like ...
When his dividing it as it were into two rings , the inner object glass had a focal length of one hundred feet , one of which appeared brighter than the outer , how was an inflexible tube to be constructed of " with nearly the like ...
411. oldal
... corporeal and mental labor , carried him off in the prime of life , he would long before this have astonished Europe with the production of Achromatic object glasses of eighteen inches in diameter . can interfere .
... corporeal and mental labor , carried him off in the prime of life , he would long before this have astonished Europe with the production of Achromatic object glasses of eighteen inches in diameter . can interfere .
412. oldal
Before his death , Frauenhofer executed two fine instru- ments , one with an Achromatic object glass nearly 10 inches ( 9 9-10 ) in diameter , and another 12 inches in diameter . The first of these was or- dered by the Emperor of Russia ...
Before his death , Frauenhofer executed two fine instru- ments , one with an Achromatic object glass nearly 10 inches ( 9 9-10 ) in diameter , and another 12 inches in diameter . The first of these was or- dered by the Emperor of Russia ...
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American appears become believe body British called carried cause character church close common consider continued course direction doubt effect England English existence eyes fact father feeling feet France French friends give hand head heart hour human important influence interest Italy kind king known land late least less letters light living look Lord matter means ment mind nature never object observed once opinion party passed person political poor present produced question reason received regard remarkable respect round seemed seen side society soon spirit taken things thought tion took true truth turned United whole young