[141.] CHRISTOPHORI CLAV II BAMBERGENSIS E SOCIETATE IESV SINVS, VEL SEMISSES RECTARVM in circulo ſubtenſarum: LINEÆ TANGENTES, ATQVE SECANTES. PRÆFATIO.
[168.] SEQVITVR TABVLA SINVVM RECTORVM per ſingula Quadrantis Minuta extenſa, & à Ioan. Regio-montano quondam ſupputata, nunc autem per me examinata, & pleriſque in locis caſtigata, atque correcta.