Philippi Lausbergii Cyclometriae Novae Libri Duo. Middleburg, 1616, 4to.[100]
This is one of the legitimate quadratures, on which I shall here only remark that by candlelight it is quadrature under difficulties, for all the diagrams are in red ink.
OF LANSBERGIUS.
From A Budget of Paradoxes, Volume I by Augustus De Morgan.
