Apian, Peter, 1495-1552, Gemma, Frisius, 1508-1555, editor, Bonte, Gregorius de, active 16th century, printer · Vendese en Enveres : En casa de Gregorio Bontio enel escudo de Basilea · leaf 111
Fo.jj. Las horas del Día. Las horas de Noche.
Cosmography · Astronomy · Surveying · Scientific apparatus and instruments
Internet Archive · Boston Public Library · Public domain (published before 1931). Free to use for anything.
