quod recta PF sit - squalis ipsi GL & proinde ipsi PN . A . E . D . Cor . Cum Ellipscos aut Hyperbolse duo sunt foci F & / , duo erunt circuli LNO , Ino quales in Propositione describuntur , quorum plana intersecabunt planum sectionis in rectis DE , de , quae erunt directrices sectionis ; & quoniam… … SECT I -
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![An illustration from A new Miscellany of original poems, translations and imitations, by ... Mr Prior, Mr Pope, Mr Hughes, Mr Harcourt, Lady M[ary] W[ortley] M[ontague], Mrs Manley, etc. Now first published ... with some familiar Letters by the late Earl of Rochester, never before printed. [Edited, with contributions, by A. H., i.e. Anthony Hammond (1720)](https://img.insideoutlibrary.com/img/200/bl-bl_001551954_0-176-1.webp)
![An illustration from Isaaci Newtoni Optices libri tres: accedunt ejusdem lectiones opticae, et opuscula omnia ad lucem et colores pertinentia sumpta ex Transactionibus philosophicis / [Sir Isaac Newton]. (1773)](https://img.insideoutlibrary.com/img/200/wellcome-wellcome_b30415561-148-1.webp)