Editorialrudder bar, Parallel title: Steur rudders are levers, Signed: J. A. Fridrich sculps, copperplate, plate DCCXLII, F?ssli, Johann Melchior; Fridrich, Jacob Andreas (sculps.), 1731, Johann Jakob Scheuchzer: Kupfer-Bibel (...). Augspurg und Ulm: gedruckt b...