Disputatio physica de spatio semper vacuo ; quam, sole justitiæ illustrante, sub præsidio viri clarissimi, subtilissimi, D.M. Johannis Luyts, philosophiæ doctoris, ejusdemque facultatis in illustri ultrajectina academia professoris ordinarii, publicæ disquitioni exponit Johannes Blomhert, Bommelia Gelrus, A. & R. Ad diem V. decembris, loco horisque solitis
