Barrow, Isaac
,
Lectiones opticae & geometricae : in quibus phaenomenon opticorum genuinae rationes investigantur, ac exponuntur: et generalia curvarum linearum symptomata declarantur
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<
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<
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xml:space
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161, 162.</
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<
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<
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<
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<
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<
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<
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<
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<
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cadat inter B, & </
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<
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<
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<
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{I/R} KZ - DZ. </
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<
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<
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<
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<
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<
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<
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</
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DK. </
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<
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<
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uſum præ ſe ferentia _Problemata._</
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<
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_convexam in aliud datum punctum Z lenti vicinius projicere._ </
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fectam imaginem intelligo, quæ reſultat ex omnibus, quos ipſum A
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diffundit, radiis in ipſa readunatis.)</
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intervallo quovis ZD (majoriquam ZB) deſcribatur circulus GDH; </
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factum erit; </
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punctum Z projiciet.</
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<
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<
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<
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">In vitro, ſi CB = 15, erit {ZC = 9 \\ ZB = 24} & </
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refringi.</
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