Letters of Euler to a German Princess, on Different Subjects in Physics and Philosophy, Volume 2Murray and Highley, 1802 |
Contents
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Other editions - View all
Letters of Euler to a German Princess, on Different Subjects in Physics and ... Leonhard Euler No preview available - 2019 |
Letters of Euler to a German Princess, on Different Subjects in Physics and ... No preview available - 2020 |
Common terms and phrases
almoft angle aperture apparent field apparent magnitude arch axis becauſe bodies cafe cloſe colours compound objective concave lens confequently confiderable conftruction convex lens degree demonftrated diminiſhed diſcover divifibility eafily earth effect elaftic electricity eſcape ether extenfion extremity fame thing farther fecond feen feet fhall fhould filk fimilar fimple firft firſt fituated fmall fmaller focal diſtance focus fome ftill ftraight line fubject fuch fufficient fuppofe furface glafs glaſs globe greater greateſt impoffible inches increaſed inftrument iron itſelf laft lefs lenfes lenſes leſs LETTER likewife loadſtone longitude magnetic matter magnifying power meaſurements meridian microſcope moft monads moon moſt muft muſt neceffary obferved objective lens ocular lens pafs particles philofophers plate poffible pofition pole pores prefent produce purpoſe queftion rays reafon refpecting refraction reprefented ſmall ſpace of diffufion ſtate ſtill teleſcope thefe themſelves theſe thofe thoſe uſe vortex whofe
Popular passages
Page 18 - ... the three angles of a triangle are together equal to two right angles, although it is not known to all.
Page 17 - You know that extension is the proper object of geometry, which considers bodies only in so far as they are extended, abstractedly from impenetrability and inertia ; the object of geometry, therefore, is a notion much more general than that of body, as it comprehends, not only bodies, but all things simply extended, without impenetrability, if any such there be. Hence it follows that all the properties deduced in geometry from the notion of extension must likewise take place in bodies, inasmuch as...