El Escorial, Real Biblioteca de San Lorenzo, &. III. 8. Old shelfmarks V. A. 12.; IV. I. 19. Scribe(s) Ambrosio de Morales Century 16 Language Latin Material Chart. Height × width 225 x 150 No. of leaves 535 Cover Escorial No. of hands mehrere Hände Printed catalogs G. Antolín, Catálogo de los códices latinos II (1911) 385-7 Source Antolín (1911) Type of source cat. Work 1Title (standard) Varia Folio no. 1-236 Work 2Title (standard) De regimine stellarum Incipit Sequuntur artificiose quedam et hactenus inaudite (tamen primis ex astronomie principiis collecte) rationes Folio no. 237 Work 3Author standard Gerardus Mercator Title (standard) Dogma Incipit Tractans de instrumento ad investigandam longitudinem regionis. Habet (inquit) hoc instrumentum in primis tres annulos Folio no. 267 Work 4Title (standard) De compositione quadrantis Incipit Accipiatur materia lignea vel alicuius metalli Folio no. 279 Work 5Author standard Johannes Burlaeus Title (standard) Tractatus de modo diffiniendi Folio no. 286 Work 6Author standard Fernan Perez de Oliva Title (standard) De Magnete Incipit In spherico magnete puncta duo sunt Folio no. 297 Work 7Title (standard) Varia Folio no. 301-535
