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BUT now, that the right lines KN and KN drawn from any other point (e. g. K) to the Foci, when taken toge∣ther in the ellipsis, but when substracted the one from the o∣ther in the hyperbola, are equal to the Latus Transversum DE, we will a little after demonstrate more universally, and also shew an easie and plain Praxis of delineating the ellipsis and hyperbola in Plano, having the axes and consequently the Fo∣ci given.