Note AT — LETTER THE EIGHTH.
Reading edition
27664 Radius's of the Orbis Magnus, equal to the Distance of Syrius, whose Parallax should be to answer it but 14″ 48‴.
Reading edition
27664 Radius's of the Orbis Magnus, equal to the Distance of Syrius, whose Parallax should be to answer it but 14″ 48‴.