Leaf 15b: Guido bonatus de forliuio. Decem continens tractatus Astronomie.
The "Registrum" (leaves 1-15, 2 columns, 39 lines) was probably printed after the main work.
Edited by Johann Engel.
Contains astrological and astronomical woodcuts; several repeated.
Colophon: Liber astronomicus Guidonis bonati de forliuio explicit feliciter. Magistri Johannis angeli viri peritissimi diligenti correctione. Erhardi[que] ratdolt viri soleetis: exima industria z mira imprimendi arte: qua nuper veneciis: nunc Auguste vindelicorum excellit nominatissimus. Septimo kal' Aprilis. M.ccc.lxxxxi.
Includes bibliographical references and indexes.
Micro-opaque. New York : Readex Microprint, 1974. 9 cards ; 23 x 15 cm. (Landmarks of science)