716359
[Commentary:
The inclusion of a page number confirms that Harriot was using Commandino's edition of Apollonii Pergaei conicorum libri quattuor
(Apollonius . Proposition 30 is a property of the ellipse.
I.30 If in an ellipse or in opposite sections a straight line is drawn in both directions from the centre, meeting the section, it will be bisected at the ]
I.30 If in an ellipse or in opposite sections a straight line is drawn in both directions from the centre, meeting the section, it will be bisected at the ]
Appol. 22.b.
lib. 1. pro.
[Translation: Apollonius, page 22v, Book I, Proposition ]
lib. 1. pro.
[Translation: Apollonius, page 22v, Book I, Proposition ]
In
[Translation: In an ]
[Translation: In an ]