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Novarvm observationvm physico-mathematicarvm (1647)

Mersenne, Marin, 1588-1648 · Parisiis : Sumptibus Antonii Bertier ... · leaf 138

An illustration from Novarvm observationvm physico-mathematicarvm, 1647, leaf 138
98 » REFLECTIONES LR Sitigitur Á B tubus femper plenus cum tribuslaminibus zqua- libus E,D;C;(itque B G horizon, tribus falientibus occurrens;in- ueniuntur falientium lorigitudines , defcripto femicirculo circa diametrum Á B,quandoquidem … Docet quoque falientium ve- | | locitates effe vtlineasin parabolaapplicatas, ad fuam vniufcuiuf- que fablimitatem : vel aqua quantitates effein fubdupla ratione fuarum altitudinum; vbi lumina fuerint zqualia; qux cüm inz- qualia fuerint, habererationem ex velocitatum & luminum ratio- ne…

Astronomy -- Early works to 1800 · Physics -- Early works to 1800

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