Fundación Juanelo Turriano has acquired a previously unknown manuscript entitled De la idea del firmamento [On the firmament] by Leonardo Turriano, in which the author described the appearance of a new supernova in 1604.
L. Turriano is the subject of an earlier book published by the foundation, Leonardo Turriano ingeniero del rey [Leonardo Turriano, royal engineer], edited by Alicia Cámara Muñoz, professor of art history with the UNED and member of the foundation’s Advisory Commission.
The manuscript is being restored for subsequent study and publication.